Brendan Allen vs Christian Leroy Duncan: analysis & prediction

MAIN EVENT · MIDDLEWEIGHT · 5 ROUNDSUFC Fight Night: Allen vs. Duncan
Brendan Allen — Middleweight fighter

Brendan Allen

“All In”
27W7L
Grappling Threat
VS
Christian Leroy Duncan — Middleweight fighter

Christian Leroy Duncan

“CLD”
15W2L
Distance Striker

Allen must close the space Duncan wants to preserve

MiddleweightMeta APEXOctober 10, 202625ft Octagon (Meta APEX) · Main event · five rounds

Fight overview

The fight in 30 seconds

Allen wants this on the mat, entering behind strikes and turning a stuffed first shot into a second grip and a submission hunt. Duncan wants to stay long, punish every level change and exit laterally before a clinch becomes sustained grappling. The swing is repetition: if Allen keeps reaching positions without eating counters, Duncan meets a fourth round for the first time in his career with a grappler on him.

Paths that change the fight

  • Brendan AllenEnter behind strikes, connect the first takedown attempt to a second action and create submission threats from settled positions.
  • Christian Leroy DuncanIntercept entries, defend follow-up grips and exit laterally before Allen turns a brief clinch into sustained grappling.
What limits this estimate · Analyst conviction: 4/10
  • Duncan has the stronger distance striking profile.
  • Failed entries are costly — Allen absorbs 3.78 per minute.

Editorial assessment of the evidence, not a win probability or a calibrated confidence interval.

Brendan Allen

Freshness unverified
Model win probability
58%
Fair odds
-138
Reference quote
-132 (BetOnline)
Fair decimal odds
1.72

Christian Leroy Duncan

Freshness unverified
Model win probability
42%
Fair odds
+138
Reference quote
+113 (BetOnline)
Fair decimal odds
2.38
Price freshness & calculation notes

Quotes older than 48 hours are marked outdated. EV at an old or undated price is a historical calculation, not a current opportunity. Date-only snapshots have no verified capture time.

Sources and data limitations

Career statistics and fight results through September 2026. Composite scores (Allen 44/42; Duncan 50/35), probabilities and fair prices are MMA Analytics model outputs.

Model methodology
01

The Frame

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

The Analyst's Take

Brendan Allen has rebuilt with three straight wins since back-to-back decision losses to Imavov and Hernandez, and Christian Leroy Duncan arrives on a five-fight streak without ever being stopped. It is a clean contrast: a submission grappler who needs contact against a long, efficient striker who makes every approach expensive. Allen's main events show he can keep grappling deep into a fight, while Duncan has never fought in the championship rounds. The swing is what those entries cost Allen early, since strikers have dropped and stopped him before when his approach went wrong.

Brendan Allen
Attribute
Christian Leroy Duncan
30+1 year Duncan
Age
31
6' 2"
Height
6' 2"
75"
Reach
+4" Duncan79"
42"
Leg Reach
42"
27-7-0
Pro Record
15-2-0
15-4 (19 bouts)
UFC Record
8-2 (10 bouts)
Grappling, submissions
Fighting Style
Range striker, KO power

Even height with Duncan holding a four-inch reach edge at middleweight — enough to make every Allen entry travel an extra step.

Venue Factor
The 25-foot APEX cage gives Duncan less room to circle off the fence, and twenty-five minutes give Allen more entries to chain; Duncan's Dolidze and Cannonier decisions show he can still bank fifteen minutes at range.
02

The Fighters

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

Brendan Allen in the Octagon

Brendan Allen

Pro Record
27-7-0
UFC Record
15-4 — W DEC Shahbazyan · W TKO de Ridder · W DEC Vettori (2025-26)
Streak
Three wins — Vettori, de Ridder, Shahbazyan
Finish Rate
20 finishes in 27 wins — 14 submissions, 6 KO/TKO
Avg Fight Time
11:44
Chin · Tested — 2 knockdowns absorbed in 19 UFC bouts; stopped by Strickland (2020) and Curtis (2021)SOS · Ranked middleweightSubmission grappler

Allen answered back-to-back decision losses to Nassourdine Imavov (Sep 2024) and Anthony Hernandez (Feb 2025) with three straight wins over Vettori, de Ridder and Shahbazyan. His 1.52 takedowns and 1.06 submission attempts per fifteen keep him the grappling threat here; 3.78 strikes absorbed per minute is the cost of how he gets there.

Christian Leroy Duncan in the Octagon

Christian Leroy Duncan

Pro Record
15-2-0
UFC Record
8-2 — W DEC Cannonier (Jul 2026) · W DEC Dolidze (Mar 2026)
Streak
Five wins — Pulyaev, Anders, Tulio, Dolidze, Cannonier
Finish Rate
11 finishes in 15 wins — 10 KO/TKO, 1 submission
Avg Fight Time
10:33
Chin · Untested — 0 knockdowns absorbed in 10 UFC bouts; never stopped (both losses were decisions)SOS · RisingDistance striker

Duncan has won five straight since the 2024 decision loss to Gregory Rodrigues: spinning-strike knockouts of Anders and Tulio, then fifteen-minute wins over Dolidze and Cannonier. His 4.45 SLpM against 2.36 absorbed is the best damage economy in this matchup. He has zero UFC submission attempts and has conceded 16 of 38 takedown attempts, which is the opening Allen is built for.

Brendan Allen
0 dealt · 0 absorbed
Knockdown Exchange
Knockdowns dealt vs absorbed.
Christian Leroy Duncan
0 dealt · 0 absorbed

Brendan Allensignature weapons

Rear-Naked ChokeSix in the UFC — latest Paul Craig, R3 (0:38), Nov 2023
×11
Punches / Ground StrikesLatest: Tom Breese (elbows and punches), R1, Feb 2020
×5
Leg & Arm LocksAnkle lock (Roberson, 2021), keylock (2016), triangle (2017)
×3
Attrition StoppageDe Ridder's corner stopped it after R4, Oct 2025
×1

Christian Leroy Duncansignature weapons

Spinning StrikesBack elbow ×2, heel kick, backfist — latest Marco Tulio, Nov 2025
×4
Elbows & PunchesTiuliulin (Nov 2023) and Ribeiro (Mar 2024), both in R2
×2
PunchesTwo regional TKOs, 2020–21
×2
Flying KneeWon the Cage Warriors title vs Djati Mélan, R3, Apr 2022
×1
Rear-Naked ChokeJustin Moore, R1, Dec 2021
×1

Brendan Allen

W
Edmen Shahbazyan
Decision — Unanimous

Opponent context: veteran

R3 (5:00)
UFC Fight Night: Muhammad vs. Bonfim — Jun 6, 2026
W
Reinier de Ridder
TKO — Corner stoppage after R4

Opponent context: ranked

R4 (5:00)
UFC Fight Night: de Ridder vs. Allen, Vancouver — Oct 18, 2025
W
Marvin Vettori
Decision — Unanimous

Opponent context: ranked

R3 (5:00)
UFC 318: Holloway vs. Poirier 3 — Jul 19, 2025
L
Anthony Hernandez
Decision — Unanimous

Opponent context: elite

R3 (5:00)
UFC Fight Night: Cejudo vs. Song, Seattle — Feb 22, 2025
L
Nassourdine Imavov
Decision — Unanimous

Opponent context: elite

R3 (5:00)
UFC Fight Night: Moicano vs. Saint Denis, Paris — Sep 28, 2024
Pattern

Three straight wins after back-to-back three-round decision losses to Imavov and Hernandez. His late-round proof comes from main events: a 25-minute split decision over Chris Curtis (Apr 2024) and the four-round stoppage of de Ridder, whose corner stopped it before the fifth.

Christian Leroy Duncan

W
Jared Cannonier
Decision — Unanimous

Opponent context: veteran

R3 (5:00)
UFC Fight Night: du Plessis vs. Usman, Oklahoma City — Jul 18, 2026
W
Roman Dolidze
Decision — Unanimous

Opponent context: ranked

R3 (5:00)
UFC Fight Night: Evloev vs. Murphy, London — Mar 21, 2026
W
Marco Tulio
KO — Spinning backfist and punches

Opponent context: ufc

R2 (3:20)
UFC Fight Night: Bonfim vs. Brown — Nov 8, 2025
W
Eryk Anders
KO — Spinning back elbow and punches

Opponent context: veteran

R1 (3:53)
UFC Fight Night: Dolidze vs. Hernandez — Aug 9, 2025
W
Andrey Pulyaev
Decision — Unanimous

Opponent context: prospect

R3 (5:00)
UFC Fight Night: Edwards vs. Brady, London — Mar 22, 2025
Pattern

Five straight wins, the last two by unanimous decision over Dolidze and Cannonier — proof he can bank fifteen minutes at range. Tulio and Anders fell to spinning strikes. Every one of his 17 pro fights ended inside three rounds.

Brendan Allen

Win Methods
Wins by Round

Christian Leroy Duncan

Win Methods
Wins by Round
Critical Insight
Allen's 27 wins: 14 submissions, 6 KO/TKO and 7 decisions, with 11 finishes in the first round. Duncan's 15: 10 KO/TKO, 1 submission and 4 decisions, with 10 of 11 finishes inside two rounds. The model gives Allen 26 submission points of his 58.

Common Opponents

OpponentBrendanChristian
Eryk AndersL· UD5 (Jun 2017) — for the inaugural LFA middleweight titleW· KO R1 (3:53), Aug 2025 — spinning back elbow and punches
Eight years apart, so it measures eras more than this matchup: Allen lost a 25-minute decision as a 21-year-old prospect; Duncan finished a 38-year-old Anders inside four minutes.
03

The Numbers

Composites, division ranks and round-by-round evidence

Composite scores summarize selected statistics on a 0–100 scale. They are not win probabilities. Compare the underlying metrics, opponent quality and UFC experience before interpreting a score difference as a matchup advantage.

Striking

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

0
Brendan
0
Christian

Duncan owns output and absorption: +2.09 strike differential per minute vs Allen's −0.03.

Grappling

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

0
Brendan
0
Christian

Allen 1.52 TD/15 at 42% and 1.06 Sub/15 vs Duncan 0.43 TD/15 at 20% and no submission attempts.

Technical

(Striking + Grappling) / 2

0
Brendan
0.0
Christian

Near even aggregates — the phase the fight lives in decides which half matters.

MetricBrendanChristian
SLpM3.754.45
SApM3.782.36
TD/151.520.43
Sub/151.060.00
UFC rounds past R33 (Curtis, de Ridder)0

Archetype Base Rate

Grappling Threat 58%42% Distance Striker

Model lean · 58/42 model lean — Allen's takedown and submission activity over five rounds vs Duncan's distance profile.

Brendan AllenChristian Leroy Duncan

Middleweight

· 69 fighters

Rank bars use the recorded division cohort. Where a rank is unavailable, the comparison shows the difference from the published division average; the white marker denotes equality. Percentage differences are percentage points (pp). Higher is not always better: fewer strikes absorbed is preferable. Missing benchmarks are not estimated.

StatBrendanBrendan comparisonDiv avgChristian comparisonChristian
SLpM3.75
36/69
4.06
25/69
4.45
Str Acc52%
27/69
51.3%
19/69
58%
Str Def48%
48/69
51.1%
28/69
54%
SApM3.78
43/69
3.72
13/69
2.36
KD Avg0.27
36/69
0.44
21/69
0.43
TD/151.52
26/69
1.83
54/69
0.43
TD Acc42% (22 of 52)
Not available
—
Not available
20% (3 of 15)
TD Def58%
48/69
63.7%
48/69
58%
Sub/151.06
13/69
0.58
48/69
0.00
Avg Fight Time11:44
Not available
—
Not available
10:33
Statistical Verdict
Duncan leads every striking input — 13th in absorption and 19th in accuracy — while Allen leads the grappling inputs, 13th in submission attempts and 26th in takedown pace. Their takedown defence is identical at 58%, 48th of 69, which is why the first clean entry matters so much.

Significant Strikes Landed per Round

⚠ R5: single-fight sample for Brendan Allen

Control Time per Round (sec)

Brendan Allen

  • Control is front-loaded: 99 seconds per first round across 19 UFC bouts, about a minute by the third.
  • Only two UFC fights went past R3 — the Curtis rematch and de Ridder, where he averaged 190 seconds of R4 control.
  • Output holds at 17–18 landed per round through R3 while his head share climbs from 59% to 76%.

Christian Leroy Duncan

  • Legs are a weapon: 39% of his first-round strikes land on the legs (34% across his UFC career).
  • R2 is his peak — 23.5 landed per round and three of his five UFC stoppages.
  • Has never fought past the third round in 17 professional bouts.
Critical Insight
Duncan's damage peaks in the second round; Allen's control is highest in the first and again in his only fourth-round samples. Twenty-five minutes asks Duncan to keep his R1–R3 profile in rounds he has never fought.

Strike targeting

Brendan

Head
66%
Body
21%
Legs
13%

Christian

Head
50%
Body
16%
Legs
34%

Head hunting vs body work vs leg attack — the shape of the damage.

Striking range — distance, clinch and ground

BrendanChristian
78%Distance74%
7%Clinch19%
15%Ground7%

Share of significant strikes landed at distance, in the clinch and on the ground across each fighter's UFC rounds, weighted by strike volume.

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 SpaceChristian owns it

4.45 SLpM at 58%, 2.36 SApM, +4" reach; 74% of his strikes land at distance

Pocket / ExchangesChristian owns it

Duncan 3 UFC knockdowns dealt, none absorbed; Allen has been dropped twice

ClinchBrendan owns it

1.52 TD/15 at 42%; Duncan has conceded 16 of 38 takedown attempts

GroundBrendan owns it

15% of Allen's strikes land on the ground; 1.06 Sub/15 and 14 submission wins

Path to Victory

Brendan Allen

Enter behind strikes, connect the first takedown attempt to a second action and create submission threats from settled positions.

Why they win
01
Submission threat

1.06 Sub/15 and fourteen career submissions, eleven by rear-naked choke — the 26-point model submission bucket.

02
Takedown pace

1.52 TD/15 at 42% vs Duncan's 0.43 — Allen starts the grappling exchanges.

03
Late-round experience

Won a 25-minute split decision over Curtis and broke de Ridder after four rounds; Duncan has never fought a fourth.

04
Recent form

Three straight wins — Vettori, de Ridder, Shahbazyan.

05
Grappling composite

42 vs 35 grappling composite edge.

The gameplan
  1. 1
    Primary route

    Strike into takedowns into submissions — second actions after the first entry.

  2. 2
    Respect reach

    Use feints and body work to close the four-inch gap safely.

  3. 3
    Championship chains

    Keep grappling sequences coming in R4–R5, where Duncan has no experience.

Path to Victory

Christian Leroy Duncan

Intercept entries, defend follow-up grips and exit laterally before Allen turns a brief clinch into sustained grappling.

Why they win
01
Distance striking

4.45 SLpM and 2.36 SApM — 13th-best absorption in a 69-fighter middleweight pool.

02
Reach

+4 inches — keeps Allen at the end of strikes.

03
Knockdown power

Three UFC knockdowns dealt, none absorbed; 10 KO/TKO wins.

04
Accuracy

58% vs 52% — cleaner connections at range.

05
Win streak

Five straight, with fifteen-minute decisions over Dolidze and Cannonier.

The gameplan
  1. 1
    Primary route

    Intercept entries, exit laterally, reset to distance.

  2. 2
    Punish level changes

    Counters when Allen shoots from open space — he has been dropped twice in the UFC.

  3. 3
    Bank minutes

    Dolidze and Cannonier template — win each round at range.

Danger Zone

How Brendan Allen loses

  • Duncan wins the neutral striking minutes — the primary reversal.

  • Failed entries get taxed by counters; Allen was dropped and stopped by Strickland and by Curtis.

  • Hernandez repeat — out-landed 30-14 and out-wrestled over fifteen minutes (UD, Feb 2025).

Danger Zone

How Christian Leroy Duncan loses

  • Allen chains a clinch into the back — eleven career rear-naked chokes.

  • Takedown into sustained control — Duncan has conceded 16 of 38 UFC takedown attempts.

  • Rounds four and five arrive with a grappler still on him — territory he has never fought in.

Matchup interpretation

The phase that changes the comparison

Duncan's higher striking output and lower absorption support his route at distance. Allen's submission record makes sustained contact the more dangerous phase for Duncan.

Counterargument

What would change the selection

Duncan has the stronger distance-striking profile. If Allen pays for failed entries, the basis for the selection deteriorates quickly.

58
model win % for Allen
5 rounds

Distance and repeatability

This is a contest over repeatable access to positions. Five rounds increase the importance of efficiency, but do not prove either fighter owns the final ten minutes.

Method split

Submission tail

Twenty-six of Allen's fifty-eight model points are submissions — the fight can flip in one settled grappling sequence.

26
Allen submission share (%)

The Five-Round Clock

Brendan Allen danger windowChristian Leroy Duncan danger windowNeutral / contested
R1 · 0:00–5:00Early finishing window

Allen has 11 of his 20 finishes in R1 and averages 99 seconds of R1 control; Duncan has 6 of 11 finishes in R1.

Critical Insight
Five rounds stretch Duncan's requirement to keep Allen at range into rounds he has never fought, and Allen's control grows when contact repeats. Neither fighter has proven he owns the final ten minutes against this opponent.

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

Brendan Allen's 1.52 TD/15 and 1.06 Sub/15 versus Christian Leroy Duncan's 4.45 SLpM and 2.36 SApM — grappling contact vs distance over five rounds.

2

Model: Allen 58% / Duncan 42%, conviction 4/10. Fair −138 / +138.

3

Primary reversal: Duncan wins neutral striking minutes at range and makes Allen pay on failed level changes.

Model outcomes per 100 fights

Each square represents one percentage point of the model distribution, not an observed fight. This visualization does not measure model accuracy or reduce uncertainty in the inputs.

Allen Decision — 24%Allen KO/TKO — 8%Allen Submission — 26%Duncan KO/TKO — 18%Duncan Decision — 18%Duncan Submission — 6%

Each square = 1 model percentage point. Brendan Allen gold · Christian Leroy Duncan orange · color opacity: 100% = decision, 70% = submission, 45% = KO/TKO.

Repeatable contact

Allen needs multiple grappling sequences — one sprawl is not enough.

Distance profile

Duncan 4.45 SLpM / 2.36 SApM — live reversal if entries fail.

Submission share

26-point Allen submission bucket — the largest single finish path.

Five-round test

Duncan has never fought past R3 in 17 pro bouts — caps conviction at 4/10 both ways.

TDDef equal

Both 58% — entries are contested on both sides.

Fight Scripts

0%
of simulations

The Submission Chain

Allen connects entries and finishes on the mat — the largest single bucket.

Scripted outcomes for Brendan Allen vs Christian Leroy Duncan — how each version of this fight unfolds.

Brendan Allen win probability
0%
8%
24%
26%
KO/TKODECSUB
  • Eight points — six career KO/TKO wins, most recently the de Ridder corner stoppage.

  • Twenty-four points — Shahbazyan and Vettori templates.

  • Twenty-six points — largest bucket; fourteen career submissions.

Christian Leroy Duncan win probability
0%
18%
18%
6%
KO/TKODECSUB
  • Eighteen points — Tulio and Anders knockouts and 0.43 KD/15.

  • Eighteen points — Dolidze and Cannonier fifteen-minute wins at distance.

  • Six points — tail only; zero submission attempts in the UFC.

Projected Scorecards

How the model scores each round
R1
Christian
R2
Christian
R3
Brendan
R4
Brendan
R5
Brendan
48-47 Allen
Dropped R1–R2 at range, banked R3–R5 with control
Modal inside the 24% decision bucket
49-46 Duncan
Distance optics in four rounds; one grappling round for Allen
Primary reversal card
48-47 Duncan
Splits the middle rounds, keeps R5 at range
Live if contact never sticks

Model and price

Brendan Allen

Freshness unverified
Model win probability
58%
Fair odds
-138
Reference quote
-132 (BetOnline)
Fair decimal odds
1.72
Estimated EV
+1.9%
Edge vs no-vig market
+3.2 pp

Christian Leroy Duncan

Freshness unverified
Model win probability
42%
Fair odds
+138
Reference quote
+113 (BetOnline)
Fair decimal odds
2.38
Estimated EV
-10.5%
Edge vs no-vig market
-3.2 pp

EV uses the displayed price: probability × decimal odds − 1. Edge is a percentage-point difference from a proportionally de-vigged, same-book pair. A dash means that comparison is unavailable.

Price freshness & calculation notes

Quotes older than 48 hours are marked outdated. EV at an old or undated price is a historical calculation, not a current opportunity. Date-only snapshots have no verified capture time.

Fair odds are the break-even price under this estimate, not a recommended entry price. Model uncertainty can erase a small edge.

What price would change the calculation? · Brendan Allen

Change the assumptions to see how the required price moves. This does not update the published model or recommend an entry price.

Required decimal price: 1.73 or higher. At the exact unrounded break-even price, estimated EV is zero.

What price would change the calculation? · Christian Leroy Duncan

Change the assumptions to see how the required price moves. This does not update the published model or recommend an entry price.

Required decimal price: 2.39 or higher. At the exact unrounded break-even price, estimated EV is zero.

Analyst price notes

Written against the prices of October 5.

Duncan at plus money aligns with 42% and his distance and knockout paths, but BetOnline +113 is shorter than the model's +138. Allen shorter than −160 exceeds the model lean; −132 is still on the fair side of that line.

Conviction
0
4/10

Editorial confidence in the evidence, not a win probability or a calibrated confidence interval.

Lean Allen on 1.52 TD/15, 1.06 Sub/15, and fourteen career submission wins over five rounds of repeatable contact. Duncan's 4.45 SLpM, 2.36 SApM, and 0.43 KD/15 keep distance and counter paths live. Lean: Brendan Allen.

What backs the lean
  • 1.06 Sub/15 and a 26-point submission bucket.

  • 1.52 TD/15 vs 0.43.

  • Three-fight win streak vs ranked opposition.

  • Twenty-five-minute win over Curtis and a fourth-round stoppage of de Ridder.

What limits it
  • Duncan has the stronger distance striking profile.

  • Failed entries are costly — Allen absorbs 3.78 per minute.

  • Duncan's five-fight win streak.

  • Allen has been stopped by strikes twice in the UFC.

Final Assessment

Brendan Allen vs Christian Leroy Duncan headlines UFC Fight Night at middleweight over five rounds. Allen brings 1.52 takedowns and 1.06 submission attempts per fifteen with fourteen career submission wins; Duncan brings 4.45 significant strikes per minute, 2.36 absorbed, 58% accuracy, and 0.43 knockdowns per fifteen with a four-inch reach edge.

The model leans Allen 58% to Duncan 42% with conviction 4 out of 10. Method shares: Allen 8 KO / 24 decision / 26 submission; Duncan 18 KO / 18 decision / 6 submission. Fair moneyline Allen −138 and Duncan +138.

Lean Allen if grappling phases repeat and submissions enter play; respect Duncan's distance profile and counter power at plus money. The 25-foot APEX cage and five rounds both increase Allen's entry opportunities, without proving he owns the late minutes at range.

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