PRELIMS · MIDDLEWEIGHT · 3 ROUNDSUFC Fight Night: Parnasse vs. Hooker
Luis Felipe Dias — Middleweight fighter

Luis Felipe Dias

18W5L
Jiu-Jitsu Finisher
…
VS
Matthieu Duclos — Middleweight fighter

Matthieu Duclos

“Letho”
10W3L
Tall KO Pressure
…

Eight submission wins against a man who has none

MiddleweightAccor Arena, Paris, FranceSeptember 5, 2026Standard 30ft Octagon
01

The Frame

What this fight is really about — and the measurements that shape it

The Analyst's Take

Five inches of height against eight submission wins. Matthieu Duclos is 6'3" with a 77-inch reach, the Hexagone middleweight champion, and eight of his ten wins have ended by knockout — he fights his home debut in front of a Paris crowd that will be his from the walkout. Luis Felipe Dias is 5'10", 18-5, and finishes almost everything he wins: nine knockouts, eight submissions, one decision in eighteen victories, with twelve of those finishes arriving in the first round. He already has an Octagon win — a first-round TKO of YiSak Lee in Macau — and a Contender Series contract earned by rear-naked choke. Duclos owns the range; Dias owns everything that happens once the range dies. The model makes it 54-46 to the Brazilian.

Luis Felipe Dias
Attribute
Matthieu Duclos
31
Age
31
5'10"
Height
+5" Duclos6'3"
74"
Reach
+3" Duclos77"
40.5"
Leg Reach
Not published
Not published (Jiu-Jitsu base)
Stance
Orthodox
Vale Top Team, Brazil
Team
Woirin Team Elite, France
May 30, 2026 (Lee, W)
Octagon Debut
Sep 5, 2026 (this fight)
BJJ + Muay Thai black belt, early finisher
Fighting Style
Tall KO pressure, Hexagone champion

The size gap is real and it only points one way. Duclos is five inches taller and three inches longer — 6'3" and 77 inches against 5'10" and 74 — which is the classic rangy middleweight frame set against a compact Brazilian finisher. Age is a wash: both men turn up 31, born eleven weeks apart in 1995. Dias is the only one with a published leg reach (40.5"), and the only one with any measured UFC output at all. What he gives away in frame he takes back in credentials: black belts in both Brazilian jiu-jitsu and Muay Thai, eight career submission wins, and a Contender Series contract earned by rear-naked choke.

Venue Factor
Accor Arena will be Duclos's building from the moment he walks. That is worth something in the first five minutes and progressively less after that, and it cuts both ways: this is his Octagon debut, and debut nerves are a documented tax that Dias has already paid — in Macau, in May, with a first-round knockout. Three rounds also removes the one thing a range fighter most wants against a grappler, which is time to bank a wide decision. Fifteen minutes is enough for Duclos to jab his way to a card, but it is also fifteen minutes in which Dias only has to be right once.
02

The Fighters

Careers, chins, schedules — and the form they bring into the cage

Luis Felipe Dias in the Octagon

Luis Felipe Dias

Pro Record
18-5-0
UFC Record
1-0 — first-round TKO of YiSak Lee
Streak
Four-plus straight wins, with finishes in his last seven victories
Finish Rate
~94% (17 of 18 wins) — nine KO/TKO, eight submissions
Avg Fight Time
6:39
Chin · Untested at UFC levelSOS · Contender Series + Brazilian regionalJiu-Jitsu finisher (UFC.com listed style: Jiu-Jitsu)

Twenty-three professional fights and only three of them have gone to the judges. That single fact explains him better than any rate stat: he is a chaos fighter who ends things, with nine knockouts and eight submissions among eighteen wins and twelve of those finishes inside the opening round — four of them under a minute. His last defeat was in July 2022, and the four years since have been a straight climb: Brazilian regional titles, then a Contender Series contract in October 2025 taken by rear-naked choke off a back-take against Donavon Hedrick, then a first-round TKO of YiSak Lee in Macau in May 2026 that made him 1-0 in the Octagon. He now trains at Vale Top Team alongside Carlos Prates, and the striking has visibly sharpened for it. The caveat is the one every recent arrival carries: two televised fights is not a sample, it is a direction.

Matthieu Duclos in competition

Matthieu Duclos

Pro Record
10-3-0
UFC Record
0-0 — Octagon debut
Streak
Four straight wins since the Contender Series loss
Finish Rate
80% (8 KO/TKO of 10 wins) · zero career submissions
Avg Fight Time
Not published
Chin · Finished twice — two KO/TKO losses on recordSOS · Regional championNot in DB — tall KO pressure striker (user dossier)

The French middleweight the Hexagone circuit built. He won the promotion's title by stopping Alexis Fontes in the first round in February 2024, went to the Contender Series that August, and ran into Marco Tulio — a composed Brazilian finisher who timed his entries and stopped him with a spinning back kick and punches in the second. The response was a four-fight rebound that is genuinely impressive on its own terms: a decision over Daichi Mikami, then knees to the head of Thiago Hayne, then punches and a knee on Moacir Rocha, then a first-round stoppage of Ilian Bouafia in April 2026. Eight of his ten wins are knockouts, the highest finishing rate of any method on this page. What the ledger does not contain is a single submission win, or a single minute of measured UFC data — this is the first night either exists.

Luis Felipe Dias
0 dealt · 0 absorbed
Knockdown Exchange
KD dealt vs absorbed
Matthieu Duclos
0 dealt · 0 absorbed

Luis Felipe Diassignature weapons

Rear-Naked Choke & BJJ FinishesEight career submission wins and a black belt — latest: Donavon Hedrick by RNC off a back-take, R2 4:37, Contender Series (Oct 2025)
×8
First-Round PunchesNine career KO/TKO wins and twelve first-round finishes, four of them inside a minute — latest: YiSak Lee, R1 3:40, UFC Macau (May 2026)
×9

Matthieu Duclossignature weapons

Knees Up The MiddleThiago Hayne by knees to the head (R2 4:21) and Moacir Rocha by punches and a knee (R2 4:28) — the Hexagone title-run finishes
×2
Long-Range TKO PressureEight of ten wins by knockout, including first-round stoppages of Ilian Bouafia (1:04) and Alexis Fontes (1:18)
×8

Luis Felipe Dias

W
YiSak Lee
KO/TKO — Punches
RR1 (3:40)
UFC FN Macau: Song vs. Figueiredo — May 30, 2026
W
Donavon Hedrick
Submission — RNC
RR2 (4:37)
Contender Series S9 E9 — Oct 7, 2025
Pattern

Only two of his recent fights were televised, and both ended early against contracted opposition — which is why this table has two rows rather than five. His Brazilian regional results beyond the Contender Series are not logged in a source we can verify line by line, and nothing is invented to fill the space; UFC.com confirms a four-fight win streak into Macau and finishes in his last seven victories, and that is as far as the record can honestly be read. What the two verified nights show is the whole toolkit: a back-take and a rear-naked choke to earn the contract, then punches in the first round to win the debut.

Matthieu Duclos

W
Ilian Bouafia
TKO — Leg injury
RR1 (1:04)
Hexagone MMA 43 — Apr 11, 2026
W
Moacir Rocha
TKO — Punches & knee
RR2 (4:28)
Hexagone MMA 36 — Nov 7, 2025
W
Thiago Hayne
TKO — Knees to head
RR2 (4:21)
Hexagone MMA 27 — Apr 25, 2025
W
Daichi Mikami
Decision — Unanimous
RR3
Hexagone MMA 23 — Jan 10, 2025
L
Marco Tulio
TKO — Spinning back kick & punches
RR2 (2:38)
Contender Series — Aug 27, 2024
Pattern

Four straight wins, three of them finishes, and then the tape everybody will re-watch this week. The Hexagone run is a genuine title reign — Bouafia stopped in 64 seconds, Hayne and Rocha both finished late in the second with knees and punches, Mikami out-pointed across three rounds. But the most instructive fight in the sequence is the one he lost. On the Contender Series in August 2024, Marco Tulio waited for the tall man's entries, timed one, and finished him in the second. That is a Brazilian finisher solving a rangy French striker, which is the exact shape of Friday's assignment.

Luis Felipe Dias

Win Methods
Wins by Round

Matthieu Duclos

Win Methods
Wins by Round
Critical Insight
The two donuts are near-perfect inverses on the ground. Dias wins 44% of his fights by submission; Duclos has never submitted anyone and has been submitted once. Duclos converts a higher share of his wins by knockout — 80% against 50% — but Dias has more knockouts in absolute terms, nine to eight, because he has almost twice as many wins. The round bars are scoped differently by necessity: Dias's cover all eighteen of his wins as broken out by UFC.com (twelve first-round finishes, five in the second, one decision), while Duclos's cover only the five wins documented round-by-round in his fight log. The finish-threat curve further down uses the same two scopes.

Common Opponents

OpponentLuisMatthieu
The Contender Series stageW· RNC R2 (Hedrick, Oct 2025)L· TKO R2 (Tulio, Aug 2024)
Both men were auditioned on the same platform against the same calibre of opponent. One choked his man out and got the contract; the other was finished in the second and went back to the regional circuit
Marco Tulio (style proxy for Dias)—(blueprint for Dias)L· TKO R2 (DWCS, Aug 2024)
A composed Brazilian finisher who let the taller man come to him, timed the entry and stopped him — the closest thing to a preview of this fight that exists on tape
03

The Numbers

Composites, division ranks and round-by-round evidence

Striking

SLpM 25% · StrAcc 30% · StrDef 30% · SApM 15%

0
Luissmall sample
0
Matthieusmall sample

The narrowest gauge on the page and the least trustworthy. Dias's measured line is low-volume but efficient — 2.86 landed per minute at 45% accuracy, 55% defence, only 2.71 absorbed — with a 1.13 knockdown average that is the loudest number in his file. Duclos has no measured line at all; his 55 is an estimate from an 80% knockout rate and a Muay Thai-style knee game, offset by the Tulio tape showing what happens when his entries are timed.

Grappling

TD/15 25% · TDAcc 25% · TDDef 30% · Sub/15 20%

0
Luissmall sample
0
Matthieusmall sample

Twenty points, and the clearest edge in the fight. Dias posts 4.52 takedowns per fifteen minutes against a divisional average of 2.12, 1.13 submission attempts against 0.60, eight career submission wins and a black belt. Duclos has zero submission wins, one submission loss, and a takedown defence that has never been published — the single largest analytical hole on either side of this matchup.

Technical

(Striking + Grappling) / 2

0
Luissmall sample
0.0
Matthieusmall sample

An eight-and-a-half point technical gap, produced almost entirely by the grappling column. Strip the mat out of the fight and these two are level; leave it in and the Brazilian is clearly the more complete fighter.

Cardio

Fight time · pace · R3/R1 output · champ rounds

0
Luissmall sample
0
Matthieusmall sample

The one gauge Duclos wins, and only just. He has a full three-round unanimous decision on record against Daichi Mikami; Dias's 6:39 average fight time is short by design rather than by weakness, but it means fifteen hard minutes against a live opponent is genuinely unmapped territory for him. Neither man has round-by-round data to test this against.

Overall

(Technical + Cardio) / 2

0.0
Luissmall sample
0.0
Matthieusmall sample

Four composite points to Dias, and a 54-46 model line that sits almost exactly on top of them. The composites side with the Brazilian; the size gap and the Paris crowd are what keep the number from going wider.

MetricLuisMatthieu
Avg Fight Time6:39 (UFC + DWCS)small sampleNot publishedsmall sample
Pace TierLow volume — 2.86 SLpM (59th/72)small sampleNot measured — 80% of wins by KOsmall sample
R3/R1 OutputNo round-by-round datasmall sampleNo round-by-round datasmall sample
Slow Start %Very low — 12 career first-round finishesLow — R1 TKOs of Bouafia (1:04) and Fontes (1:18)small sample
Champ RoundsN/A — 3-round boutN/A — 3-round bout

Archetype Base Rate

Jiu-Jitsu Finisher 54%46% Tall KO Pressure Striker

No archetype base-rate row for this pairing · No historical archetype win-rate is applied — neither fighter has a database archetype row, because one has two televised fights and the other has none. The 54-46 lean comes from the composite gap, the submission asymmetry, and the fact that only one of these two has already won inside the Octagon.

Luis Felipe DiasMatthieu Duclos

Middleweight

· 72 fighters
StatLuisLuis rankDiv avgMatthieu rankMatthieu
SLpM2.86
59/72small sample
~4.19—Not in DB
Str Acc45%
54/72small sample
~51.8%—Not in DB
Str Def55%
22/72small sample
~51.3%—Not in DB
SApM2.71
19/72small sample
~3.70—Not in DB
KD Avg1.13
13/72small sample
~0.84—Not in DB
Damage Ratio1.06—~1.13—Not in DB
TD/154.52
12/72elitesmall sample
~2.12—Not in DB
TD Def67%
40/72small sample
~69.9%—Not in DB
Sub/151.13
15/72elitesmall sample
~0.60—Not in DB
Avg Fight Time6:39———Not in DB
Statistical Verdict
Read only the columns that exist and Dias is a grappler with a puncher's ceiling: 12th of 72 active middleweights in takedowns per fifteen minutes at more than double the divisional average, 15th in submission attempts, 13th in knockdown average, and 19th in strikes absorbed. His striking volume is genuinely low — 59th in output, 54th in accuracy — which fits a man whose fights average six and a half minutes because somebody is always on the floor. The right-hand column is empty on every row, and that emptiness is the honest headline of this fight: Duclos has never fought in the UFC, so there is no divisional context for him at all, only a 10-3 record and a Hexagone belt.

Significant Strikes Landed per Round

⚠ R1, R2, R3: single-fight sample for Luis Felipe Dias

⚠ R1, R2, R3: single-fight sample for Matthieu Duclos

Control Time per Round (sec)

Luis Felipe Dias

  • No round-by-round rows exist for him. His only Octagon appearance — the May 2026 TKO of YiSak Lee in Macau — post-dates the round-by-round dataset, so nothing is shown rather than estimated.
  • The proxy is the finish log: twelve of his seventeen career finishes came in the first round and five in the second, with four stoppages inside a minute. His danger is front-loaded and steep.
  • His only deep round on television is the Hedrick fight, which he won by rear-naked choke at 4:37 of the second after taking the back — the one documented case of him building a finish rather than landing one.

Matthieu Duclos

  • No round-by-round rows exist for him either, and in his case none ever have: this is his first UFC fight, so there is no Octagon data of any kind to display.
  • The Hexagone log is the only guide, and it points at the second round — Hayne finished at 4:21, Rocha at 4:28, and his own defeat to Marco Tulio came at 2:38 of the second.
  • He has been past the second round once in the documented log, the unanimous decision over Daichi Mikami, so a full fifteen minutes is close to uncharted for him as well.
Critical Insight
This is the rarest chart on the site: both panels are empty. Neither man has a single round of UFC round-by-round data — Dias's debut is too recent for the dataset and Duclos has never fought in the Octagon — so the output, accuracy, control and knockdown series that normally carry this section simply do not exist, and nothing has been fabricated to fill them. What can be said is drawn from the finish logs on either side, and they agree on one thing: both of these men do their damage inside ten minutes. Twelve first-round finishes for Dias, two second-round Hexagone stoppages and a second-round loss for Duclos. If this fight reaches the third round it will be the least familiar territory either has been in for years.

Strike Targeting (career avg)

No UFC strike-target data for either fighter — nothing is estimated.

Head hunting vs body work vs leg attack — the shape of the damage. Fighters without UFC samples are omitted rather than shown as 0%.

Range Profile — where the minutes go

Luis · N/AMatthieu · N/A

No UFC range-share data for either fighter — nothing is estimated.

Share of significant-strike volume by range from UFC career data. Debutants / fighters without Octagon samples show as N/A.

04

The Story of the Fight

Advantages, worst cases, gameplans — and the patterns underneath

Where the fight lives

Who owns each phase — and by how much
Open SpaceMatthieu owns it

+5" height and +3" reach against 2.86 SLpM; 80% of Duclos's wins are knockouts at range

Pocket / ExchangesLuis owns it

1.13 knockdown average (13th of 72) and a Muay Thai black belt — but this is where Duclos's knees live too

ClinchEven

Duclos finished Hayne and Rocha with knees from here; Dias's 4.52 TD/15 entries start from here. Genuinely contested

GroundLuis owns it

Eight submission wins, BJJ black belt and 1.13 Sub/15 against zero submission wins and one submission loss

Path to Victory

Luis Felipe Dias

Kill the distance and make it a grappling match. Eight submission wins and 4.52 takedowns per fifteen minutes against a man with zero submission wins and no published takedown defence — every second spent on the mat is a second the five-inch height gap stops existing.

Why they win
01
Dual-path finishing against a single-path finisher

Nine knockouts and eight submissions in eighteen wins. Duclos can only end the fight one way; Dias can end it two, and 44% of his wins have come by a method his opponent has literally never produced.

02
The wrestling nobody can measure against

4.52 takedowns per fifteen minutes — 12th of 72 active middleweights and more than double the divisional average of 2.12 — into an opponent whose takedown defence has never been published in any source.

03
He has already won in this building

A first-round TKO of YiSak Lee in Macau in May. Duclos is making his Octagon debut, and his last audition at this level ended with him being finished in the second round.

04
Twelve first-round finishes

Four of them inside a minute. His knockdown average of 1.13 ranks 13th in the division against an average of 0.84 — the early violence is not a narrative, it is a measured rate.

05
The Prates effect

He trains at Vale Top Team alongside Carlos Prates, and the striking has sharpened for it: 55% striking defence and only 2.71 absorbed per minute, 19th in the division at not getting hit.

The gameplan
  1. 1
    Level change behind the overhand

    Do not kickbox at 77 inches for free. The published plan is to close behind level changes and overhands, making every entry a genuine two-way threat rather than a telegraphed shot.

  2. 2
    Chain to the back

    The Hedrick finish is the template: get the takedown, ride the scramble, take the back, choke. Against a fighter with zero submission wins, the back is the safest real estate in the cage.

  3. 3
    Make the first five minutes violent

    Twelve first-round finishes and a 1.13 knockdown average say his equity is highest immediately — and the Paris crowd is loudest before anything has happened.

  4. 4
    Work the body and the legs on the way in

    He is giving up five inches of height; the target that does not move away is the one below the shoulders. Slowing a tall man's footwork is how the reach gap shrinks.

  5. 5
    Do not stand and admire the range

    Every second at distance is a second in Duclos's fight. The pocket or the mat, never the outside — his 2.86 strikes per minute cannot win a kickboxing match.

Path to Victory

Matthieu Duclos

Fifteen minutes at 77 inches. Jab, teep, knee up the middle and sprawl on everything. If Dias never gets inside, the tallest man in the cage wins on the cards or by attrition, exactly as he did through the Hexagone title run.

Why they win
01
Five inches and three inches

6'3" against 5'10", 77 inches of reach against 74. Against a fighter who lands 2.86 significant strikes per minute, simply being unreachable is most of a gameplan.

02
The highest finishing rate on the page

Eight of ten wins by knockout — 80% — with knees to the head and long strikes as the mechanism. Hayne and Rocha were both stopped late in the second by exactly that.

03
Paris, and a title reign behind him

Hexagone middleweight champion on a four-fight winning streak, debuting in front of a home crowd at Accor Arena. The building will be his from the walkout.

04
Dias has to come to him

The Brazilian's entire winning shape requires closing distance against a man whose whole game is preventing exactly that. Every failed level change is a free counter window at 77 inches.

05
He can win a decision

The unanimous decision over Daichi Mikami proves he does not need the finish. Fifteen minutes of jab and teep is a complete, tested path — and 15 of his 46 win-shares come from it.

The gameplan
  1. 1
    Jab, teep, knee up the middle

    The published plan, and the one that beat Hayne and Rocha. Keep the fight at the end of the longest limbs in the cage and let the accumulation do the work.

  2. 2
    Sprawl everything, then disengage

    Takedown defence is the largest unknown in his file and the single most important skill on the night. Stuff the shot, break the grip, and get back to range immediately.

  3. 3
    Never accept the scramble

    Eight submission wins and 1.13 submission attempts per fifteen minutes are waiting on the mat. A scramble he thinks he is winning is the most dangerous place he can be.

  4. 4
    Respect the first round

    Twelve of Dias's finishes came in the opening five minutes. Home-crowd adrenaline is the exact fuel that gets a debutant into a firefight he did not need.

  5. 5
    Take the decision if it is there

    Fifteen points of his 46 come from the cards. He beat Mikami over three rounds; there is no shame and considerable value in doing it again.

Danger Zone

How Luis Felipe Dias loses

  • He never closes the gap, spends three rounds eating a jab and knees up the middle from 77 inches, and loses a shutout to a man he could not reach.

  • He gets timed on the way in — the Marco Tulio finish in reverse — and the entry that was supposed to start the grappling ends the fight instead.

  • The crowd carries a fast Duclos start, he loses the first round badly, and the maths of a three-round fight leaves no room to recover.

Danger Zone

How Matthieu Duclos loses

  • The first takedown lands and becomes a rear-naked choke clinic. He has zero submission wins, one submission loss, and no published answer to a black belt on his back.

  • He trades in the pocket with a man carrying a 1.13 knockdown average and two black belts, and the fight ends in the first round the way twelve of Dias's finishes have.

  • Debut nerves and a hostile assignment collide: the Tulio tape showed a composed finisher can time him, and Dias is that archetype with an Octagon win already banked.

The fight's central axis

Eight Against Zero

Luis Felipe Dias has eight career submission wins, a BJJ black belt, and 1.13 submission attempts per fifteen minutes — 15th of 72 active middleweights. Matthieu Duclos has never submitted anyone in thirteen professional fights, and has been submitted once. If this fight touches the mat, only one man has ever finished anything from there.

8 – 0
Career submission wins
Two incompatible careers

Length vs Finishing Density

Duclos's entire regional success is built on being the bigger, longer knockout threat — five inches and three inches of it. Dias's entire career is built on ending fights before size has time to matter: seventeen finishes in eighteen wins, twelve of them in the first round. Paris amplifies Duclos early; the grappling maths amplifies Dias the moment distance dies.

+5" / +3"
Duclos height and reach advantage
The one relevant tape

The Tulio Ghost

In August 2024 a composed Brazilian finisher named Marco Tulio waited for Duclos's entries on the Contender Series, timed one, and stopped him in the second round. Dias is that archetype — with a UFC win already banked. The Hexagone rebound says the Frenchman has improved since; it does not say he has solved wrestling, because nobody has asked him to.

The honest caveat

Two Empty Panels

Neither fighter has a single round of UFC round-by-round data. Dias's Octagon debut post-dates the dataset; Duclos has never fought in the Octagon at all. Every rate figure on this page belongs to one man and rests on two televised fights, and every Duclos number is a record, not a measurement.

0
Rounds of UFC round-by-round data, either fighter
Where both men's equity lives

The Ten-Minute Fight

Dias has twelve first-round finishes and five second-round finishes; Duclos's Hexagone stoppages came at 4:21 and 4:28 of the second, and his own defeat at 2:38 of the second. Neither man's record contains a third-round finish. Everything either of them has ever done has happened before the ten-minute mark.

The Five-Round Clock

Luis Felipe Dias danger windowMatthieu Duclos danger windowNeutral / contested
R1 · 0:00–5:00The loudest, most dangerous round

Twelve career first-round finishes for Dias and a 1.13 knockdown average, against a debutant with first-round TKOs of Bouafia (1:04) and Fontes (1:18) and a crowd behind him. The highest-variance five minutes on the card.

Critical Insight
This fight has no slow burn. Both records say the same thing: everything happens before the ten-minute mark, and neither man has ever finished anyone in a third round. The first five minutes belong to whoever imposes their range — the crowd and the jab say Duclos, the twelve first-round finishes say Dias. If the fight is still alive at the halfway point, the arithmetic tilts to the Brazilian, because his second and third acts are on the mat and his opponent has never won a minute there.

Finish Threat by Round

Share of each fighter's wins that end in each round — early finishers spike left, grinders rise right.

05

The Verdict

One hundred simulated fights, the betting market, and our conviction

If you only read 3 things
1

Luis Felipe Dias has eight career submission wins and a BJJ black belt. Matthieu Duclos has none, and one submission loss. If this fight hits the mat, only one man has ever finished anything from there.

2

Duclos is five inches taller with three more inches of reach, an 80% knockout rate and a home crowd at Accor Arena. Dias lands only 2.86 significant strikes per minute — he cannot win this at range, and he does not need to.

3

Model: Dias 54% / Duclos 46%, conviction 4/10 — the lean is finishing diversity plus Octagon proof, capped hard because Duclos has no measured data at all and neither man has a single round of UFC round-by-round evidence.

100 Simulated Fights

Duclos KO/TKO — 28%Dias KO/TKO — 24%Dias Submission — 22%Duclos Decision — 15%Dias Decision — 8%Duclos Submission — 3%

Each square = 1 simulated fight. Luis Felipe Dias gold · Matthieu Duclos orange · full color = decision, 70% = submission, 45% = KO/TKO.

The submission asymmetry

Eight career submission wins against zero, plus 1.13 submission attempts per fifteen minutes into an opponent with one submission loss. Dias's submission bucket alone (22 of 100) is larger than Duclos's decision and submission paths combined.

The size gap

Five inches of height and three of reach is not a detail against a fighter who lands 2.86 significant strikes per minute. It is why Duclos's knockout bucket (28) is the single largest outcome on the page despite the composite gap running the other way.

Octagon proof

One man has fought in the UFC and won inside a round; the other is debuting, and his last audition at this level ended in a second-round TKO defeat. The model prices that experience gap as roughly the whole of its four-point lean.

Unmeasured takedown defence

The largest hole in the analysis is that nobody knows how Duclos defends a shot. His entire regional record was built on not needing to. Against 4.52 takedowns per fifteen minutes, that question gets asked in the first round.

Sample thinness on both sides

Two televised fights for Dias, none for Duclos, and zero rounds of round-by-round data between them. Every number here is directional, which is why a four-point lean carries only a 4/10 conviction.

Fight Scripts

0%
of simulations

The Frenchman's Night

Duclos jabs, teeps and knees behind five inches of height, stuffs the entries he needs to stuff, and finds the shot on a Brazilian who has walked in one time too many. Accor Arena erupts and the Hexagone champion arrives in the UFC exactly as advertised.

Scripted outcomes for Luis Felipe Dias vs Matthieu Duclos — how each version of this fight unfolds.

Luis Felipe Dias win probability
0%
24%
8%
22%
KO/TKODECSUB

  • Nine career knockouts, twelve first-round finishes and a 1.13 knockdown average ranked 13th of 72. Against a debutant who has been stopped twice, the early right hand is a genuine path rather than a puncher's consolation.

  • Only eight points, and correctly so. He has exactly one decision win in eighteen — he does not out-point people, and out-pointing a man five inches taller over fifteen minutes is the least likely thing on his résumé.

  • Twenty-two points and the reason this page leans his way at all. Eight submission wins, a black belt, and 1.13 attempts per fifteen minutes against a fighter with zero submission wins and one submission loss.

Matthieu Duclos win probability
0%
28%
15%
KO/TKODECSUB

  • The largest single bucket on the page. Eight of his ten wins ended by knockout and he has five inches of height to land them from — the knees that finished Hayne and Rocha are the specific mechanism to watch.

  • Fifteen points, built on the Mikami decision and a simple plan: three rounds of jab and teep at a range his opponent cannot reach. It requires him to stop the wrestling, which is the whole question.

  • Three points, and generous. He has no submission wins in thirteen professional fights — these are scramble and ground-and-pound outcomes rather than any hunted path.

Projected Scorecards

How the model scores each round
R1
Matthieu
R2
Luis
R3
Luis
29-28 Dias
A loud opening round for the home fighter, then ten minutes of grappling control
The most likely card in a fight that reaches them
29-28 Duclos
The jab wins two rounds at range and one takedown is not enough
The mirror image, and close behind
30-27 Duclos
Dias never closes the distance and is shut out from 77 inches
Uncommon — it requires the wrestling to fail completely

Moneyline

Luis Felipe Dias
+103
Matthieu Duclos
-120

BetOnline moneyline shown above (Sep 4, 2026). Model fair prices and value notes below compare our analysis to the market where props exist — they are not alternate sportsbook lines.

Props: model vs market

PropOddsImplied %Model %FairEdgeVerdict
Best Value
Dias by submission is the call the analysis flags and the simulation supports: 22 of his 54 win-shares, against an opponent with zero submission wins in thirteen professional fights. If the market prices this fight on the height chart — and a 6'3" home favourite in Paris invites exactly that — the Brazilian's inside-the-distance grappling side is where the model disagrees most sharply. Duclos by knockout (28 of 100, the largest single bucket here) is the live home-dog prop on the other side.
Conviction
0
4/10

A narrow lean on finishing diversity, Octagon proof and a twenty-point grappling gap — held to four out of ten by a real five-inch size advantage on the other side, a Paris crowd, and the thinnest evidence base on the card. Lean: Luis Felipe Dias.

What backs the lean

  • Eight career submission wins and 1.13 submission attempts per fifteen minutes against a fighter with zero submissions and one submission loss.

  • 4.52 takedowns per fifteen minutes — 12th of 72 active middleweights, more than double the divisional average — into an unpublished takedown defence.

  • He has already won in the Octagon; Duclos's only audition at this level ended in a second-round TKO defeat to Marco Tulio.

  • Seventeen finishes in eighteen wins, twelve of them in the first round, with a knockdown average ranked 13th in the division.

What limits it

  • Five inches of height and three of reach is a structural edge that does not regress, and Dias lands only 2.86 significant strikes per minute.

  • Eight of Duclos's ten wins are knockouts — the highest finishing rate of any method on this page — and his knees have finished two fights late in the second.

  • A Hexagone champion debuting in front of a home crowd at Accor Arena, on a four-fight winning streak.

  • Neither fighter has a single round of UFC round-by-round data, and every Duclos figure is a record rather than a measurement.

Final Assessment

This is a fight between two things that barely overlap. Matthieu Duclos is five inches taller, three inches longer, and has knocked out eight of the ten men he has beaten; Luis Felipe Dias is a black belt in two disciplines who has finished seventeen of his eighteen wins and twelve of them in the opening round. There is no phase they both want. Whoever gets to choose the terrain wins, and the model gives that choice to the Brazilian by four points because he is the one who can attack in two directions.

The evidence base deserves to be stated plainly rather than dressed up. Duclos has never fought in the UFC and appears in no analytics database anywhere — his entire profile here is a 10-3 record, a Hexagone belt and a fight log. Dias has two televised fights and a UFC.com rate line built on thirteen minutes of cage time. Neither man has a single round of round-by-round data. A 54-46 line is not timidity in that context; it is the widest number the evidence honestly supports.

The read: Dias should win, and the way he wins is by refusing to have the fight Duclos has spent his career winning. Close behind the overhand, chain to the back, and choke a man who has never escaped one. But the version where he loses is short, loud and entirely plausible — a level change timed at 77 inches, a knee up the middle, and a Paris crowd watching their champion arrive. Take the Brazilian narrowly, and respect the first five minutes from both men.

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