Rodolfo Vieira vs Robert Bryczek – UFC Fight Night: Rosas Jr. vs. Barcelos Fight Analytics & Prediction

MIDDLEWEIGHT · 3 ROUNDSUFC Fight Night: Rosas Jr. vs. Barcelos

Rodolfo Vieira

“The Black Belt Hunter”

11W5L

BJJ Specialist

…

Robert Bryczek

18W7L

Power Striker

…

Takedown volume and nine career submissions against 85% takedown defence and Tavares-level late power

Men's MiddleweightMeta APEX, Las Vegas, Nevada, United StatesSeptember 26, 202625ft Octagon (Small Cage)

The Frame

BJJ volume against knockout defence — and what the numbers say

The Analyst's Take

The classic middleweight fork: mat returns versus knockout power. Rodolfo Vieira brings 9 of 11 career wins by submission, 3.09 takedowns per 15 minutes and 1.03 submissions per 15 against a striker who has defended 85% of takedowns in two UFC bouts and just stopped Brad Tavares in Round 3. Robert Bryczek brings 14 knockout wins, 59% striking defence and a two-inch reach edge — but only 36% accuracy and a 2-3 form line where Bryczek's last five read 4-1. The lean is Vieira 58% / Bryczek 42% with conviction 5 out of 10.

Rodolfo Vieira

Attribute

Robert Bryczek

Age

6'0"

Height

6'0"

73"

Reach

+2" Bryczek75"

Not supplied

Leg Reach

42"

Orthodox

Stance

Orthodox

185 lb

Weight

185 lb

10Experience depth

UFC Bouts

Brazilian Jiu-Jitsu

Fighting Style

Striker

Identical height and age with a modest two-inch reach edge to Bryczek. Vieira's identity is mat returns and submissions; Bryczek's is range management and knockout power proven against Brad Tavares in Round 3. Neither man owns a youth or size narrative — this is a pure stylistic fork.

Venue Factor
The Meta APEX small cage helps Vieira compress distance for takedown entries and limits Bryczek's lateral reset. It also increases exchange density, which matters because Vieira absorbs 4.12 significant strikes per minute and Bryczek has been finished on the regional scene when grappling scrambles go wrong.

The Fighters

Careers, form and the grappler-striker fork

Rodolfo Vieira

Pro Record

11-5-0

UFC Record

6-5 across 10 UFC bouts

Streak

1 loss — Nickal TKO R3 (Nov 2025)

Finish Rate

91% (10 of 11 wins) — 9 submissions, 1 KO/TKO

Avg Fight Time

8:42

Chin · Two KO losses in last five — Curtis R2, Nickal R3SOS · UFC middleweight middle tierBJJ specialist — takedown entries into submissions

ADCC pedigree translated into early UFC submission success, but the last eighteen months have been mixed: losses to Bo Nickal, Andre Petroski and Chris Curtis bracket a Gore decision win and a Petrosyan arm-triangle. He still finishes on the mat, but elite wrestlers can keep him standing long enough to hurt him.

Robert Bryczek

Pro Record

18-7-0

UFC Record

1-1 — Potieria UD loss, Tavares TKO win

Streak

1 win — Tavares TKO R3 (Sep 2025)

Finish Rate

89% (16 of 18 wins) — 14 KO/TKO, 2 submissions

Avg Fight Time

5:48

Chin · Two career KO losses; never stopped in UFCSOS · Regional KO streak + one UFC veteran winStriker — sprawl-and-brawl with late-round power

A long regional knockout reel earned a UFC debut decision loss to Ihor Potieria, then a breakthrough Round-3 TKO of Brad Tavares — the best name on either man's recent ledger. Form is 4-1 in the last five with three regional first-round KOs preceding the Tavares finish.

Rodolfo Vieira

0 dealt · 0 absorbed

Knockdown Exchange

KD dealt vs absorbed

Robert Bryczek

0 dealt · 0 absorbed

Rodolfo Vieirasignature weapons

Arm-triangle / ChokeNine career submission wins; Petrosyan arm-triangle R1 4:48 is the clearest recent UFC example

×9

Takedown chains3.09 TD/15 — volume entries rather than single-shot accuracy (23%)

×0

Ground-and-poundOne career KO/TKO win — secondary path when submissions stall

×1

Robert Bryczeksignature weapons

Right cross & follow-up punchesTavares TKO R3 1:43 — the UFC proof point

×1

Round-1 regional KOsEleven career first-round knockouts; three in the last five before Tavares

×11

Sprawl-and-brawl85% takedown defence and 59% striking defence — defensive layers first

×0

Rodolfo Vieira

Bo Nickal

TKO — Head kick

RR3 (2:24)

UFC — Nov 15, 2025

Tresean Gore

Decision — Unanimous

RR3 (5:00)

UFC — Aug 2, 2025

Andre Petroski

Decision — Unanimous

RR3 (5:00)

UFC — Feb 15, 2025

Armen Petrosyan

Submission — Arm-triangle

RR1 (4:48)

UFC — Feb 10, 2024

Chris Curtis

KO/TKO — Punches

RR2 (3:02)

UFC — Jul 1, 2023

Pattern

2-3 in the last five with losses to an elite wrestler, a grappler-striker and a power puncher. The Gore decision shows fifteen-minute viability, but three opponents solved or punished the takedown layer.

Robert Bryczek

Brad Tavares

TKO — Right cross & follow-up punches

RR3 (1:43)

UFC — Sep 6, 2025

Ihor Potieria

Decision — Unanimous

RR3 (5:00)

UFC — Feb 10, 2024

Samuel Kristofic

TKO — Punches

RR1 (0:56)

Regional — Jul 28, 2023

Lee Chadwick

TKO — Left hook

RR1 (2:41)

Regional — May 20, 2023

Abdel Rahmane Driai

TKO — Right hook

RR1 (1:25)

Regional — Dec 3, 2022

Pattern

4-1 with a split UFC ledger — decision loss in debut, then a veteran-stopping Round-3 TKO. Three regional first-round knockouts precede the Tavares breakthrough; momentum is positive.

Rodolfo Vieira

Win Methods

Wins by Round

Robert Bryczek

Win Methods

Wins by Round

Critical Insight
Vieira's career finishes are front-loaded on the mat — seven Round-1 wins among nine submissions. Bryczek's regional reel is even more Round-1 heavy, but his signature UFC win came in Round 3 against Tavares. The round bars use career finish counts; one Vieira decision win is shown separately.

Common Opponents

Opponent	Rodolfo	Robert
Andre Petroski (style proxy)	L· UD R3 (Feb 2025)	—(not shared)
Petroski outworked Vieira over fifteen minutes when takedowns were neutralised — a template Bryczek cannot copy exactly but a warning that grapplers can extend Vieira
Brad Tavares (direct for Bryczek)	—(not shared)	W· TKO R3 1:43 (Sep 2025)
Bryczek's best recent win; Vieira has not faced Tavares. No true common opponent exists in the supplied logs

0.0

Robert

An 8.5-point overall gap supporting a 58-42 lean without implying a mismatch.

Metric	Rodolfo	Robert
Avg Fight TimeAvg Fight TimeAverage fight duration — long averages mark proven cardio and decision-ready grinders.	8:42	5:48
UFC Bouts	10	2
Finish Rate	91%	89%
Last-5 Record	2-3	4-1
Round-by-Round Data	Not supplied	Not supplied

Archetype Base Rate

BJJ Specialist 58%42% Striker

Analytical lean — no archetype row applied · Grappler-vs-striker base rates vary widely by takedown defence and accuracy. The 58-42 split comes from the fight analysis, not a database archetype lookup.

Rodolfo VieiraRobert Bryczek

Middleweight

· 0 fighters

Stat	Rodolfo	Rodolfo rank	Div avg	Robert rank	Robert
SLpMSLpMSignificant Strikes Landed per Minute — offensive striking volume. Higher = busier striker.	3.77	—	—	—	3.74
Str AccStr AccStriking Accuracy — share of significant strikes thrown that land. Higher = more precise.	56%	—	—	—	36%
Str DefStr DefStriking Defense — share of opponents' significant strikes that do NOT land. Higher = harder to hit.	52%	—	—	—	59%
SApMSApMSignificant Strikes Absorbed per Minute — how much a fighter gets hit. Lower = better.	4.12	—	—	—	4.08
TD/15TD/15Takedowns Landed per 15 minutes — wrestling pressure / takedown engine.	3.09	—	—	—	0.56
TD Acc	23%	—	—	—	100% ⚠
TD DefTD DefTakedown Defense — share of opponents' takedown attempts stuffed.	100% ⚠	—	—	—	85%
Sub/15Sub/15Submission Attempts per 15 minutes — how actively a fighter hunts the finish on the mat.	1.03	—	—	—	0.0
Pro Record	11-5-0	—	—	—	18-7-0
UFC Record	6-5	—	—	—	1-1
KO Win %	9% (1 of 11)	—	—	—	78% (14 of 18)
Submission Wins	9	—	—	—	2
Reach	73"	—	—	—	75"

Statistical Verdict
Vieira owns the grappling columns by a wide margin; Bryczek owns knockout share, defensive striking and reach. Striking pace is a dead heat, but efficiency favours Vieira while defence favours Bryczek. No division pool averages were supplied, so ranks are omitted.

Significant Strikes Landed per Round

⚠ R1, R2, R3: single-fight sample for Rodolfo Vieira

⚠ R1, R2, R3: single-fight sample for Robert Bryczek

Control Time per Round (sec)

Rodolfo Vieira

Round-by-round UFC output rows were not supplied for this build. Aggregate rates across ten bouts are authoritative; per-round splits are not invented.
Career finish timing proxies: seven Round-1 wins, two Round-2, two Round-3 among finishes; seven first-round submission wins documented.
Recent losses to Nickal (R3) and Curtis (R2) show standing vulnerability when takedowns fail.

Robert Bryczek

Only two UFC bouts in the repository sample — not enough to stabilise round-by-round charts without a full database pull.
The Tavares TKO at R3 1:43 is the clearest late-round proxy; three regional first-round KOs precede it in the last five.
Potieria decision loss shows he can survive fifteen minutes when grappling is neutralised.

Critical Insight
Round 1 is the highest-variance window for both men — Vieira's seven first-round career finishes vs Bryczek's eleven. Round 3 favours Bryczek on the Tavares tape if the fight is still standing; Vieira's equity is front-loaded on mat returns.

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

Rodolfo · N/ARobert · 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.

The Story of the Fight

Takedown chains, Tavares power and the clock

Where the fight lives

Who owns each phase — and by how much

Open SpaceRobert owns it

+2" reach and 59% StrDef vs Vieira's entry-dependent striking

Pocket / ExchangesEven

56% vs 36% accuracy but similar absorption (~4.1 SApM both)

ClinchRodolfo owns it

Vieira's takedown chains start here; Bryczek must disengage

GroundRodolfo owns it

9 submission wins and 1.03 Sub/15 vs 0.0 Sub/15 offence

Path to Victory

Rodolfo Vieira

Chain takedowns, establish top control, and finish by arm-triangle or choke — the Petrosyan template against a striker with 85% takedown defence but zero UFC submission offence.

Why they win

Submission monopoly

9 career submission wins, 1.03 Sub/15, and an 82 composite grappling score against 52.

Takedown volume

3.09 TD/15 forces constant defensive layers on a 0.56 TD/15 striker.

Striking efficiency

56% accuracy vs 36% when exchanges are brief.

UFC experience

10 Octagon bouts vs 2 — more solved problems at middleweight.

Small-cage geometry

APEX canvas compresses distance for level changes.

The gameplan

1
Chain double-legs
23% accuracy requires volume — feint high, shoot low off the jab.
2
Bank control time
One career decision win shows the cards are a fallback if the neck is not immediate.
3
Avoid extended pocket trades
52% defence is not enough against 78% KO win share.
4
Cut off the cage
Use APEX geometry to kill Bryczek's lateral reset.
5
Escalate Round-2 pace
Curtis stopped him in Round 2 when standing exchanges accumulated.

Path to Victory

Robert Bryczek

Manage the two-inch reach edge, sprawl on entries, and land the power combinations that stopped Tavares — especially if the fight is standing past ten minutes.

Why they win

Knockout equity

14 KO/TKO wins including Round-3 Tavares — the best recent name on either ledger.

Takedown defence

85% TDDef in UFC sample — the first layer that denies Vieira's identity.

Defensive striking

59% StrDef vs Vieira's 52% StrDef and 4.12 SApM absorbed.

Reach

75" vs 73" in orthodox-vs-orthodox exchanges.

Momentum

4-1 last five vs Vieira's 2-3.

The gameplan

1
Jab at 75 inches
Make Vieira pay for every level change attempt.
2
Sprawl first
Do not initiate grappling with 0.0 Sub/15 — the Tavares win came on the feet.
3
Body and leg work
Tax Vieira's entries before takedowns accumulate.
4
Wall-walk if taken down
85% TDDef must translate to standups, not guard survival.
5
Trust late power
Tavares R3 proves Round-3 knockout equity at UFC level.

Danger Zone

How Rodolfo Vieira loses

Stuffed repeatedly like against Nickal and Petroski, forced into extended kickboxing, and finished standing — the Curtis/Nickal scripts.
Takedowns land but top control does not convert; Bryczek survives on defence and steals a damage-based decision.
Age-35 cardio fades in Round 3 while Bryczek finds the Tavares counter sequence.

Danger Zone

How Robert Bryczek loses

First-layer takedown defence fails against 3.09 TD/15 volume; guard gets passed and the arm-triangle library activates.
Low 36% accuracy means overcommitting on power shots and walking into clinch entries.
Extended bottom time with 0.0 Sub/15 offence and no answer to Vieira's top control.

Mat time vs chin

The Grappler-Striker Fork

Vieira's 82 grappling composite and 1.03 Sub/15 collide with Bryczek's 85% TDDef and 78% KO win share. Every Vieira fight resolves whether takedowns land before power finds the chin.

3.09

Vieira takedowns per 15 minutes

2-3 vs 4-1

Form vs Pedigree

Bryczek carries hotter recent form and the Tavares statement win. Vieira carries ten UFC bouts and nine career submissions. The lean gives pedigree a slight edge because Bryczek's regional KO streak is not equivalent to Vieira's UFC middleweight losses to Nickal and Petroski.

56% vs 36%

The Accuracy Gap

Identical pace but opposite efficiency. Bryczek must land the right shots; Vieira can score in brief exchanges when forced upright.

56%

Vieira striking accuracy

Both 35 on fight night

The Age Mirror

No youth curve for either man. Cardio scores tie at 58; the fight is about efficiency of energy spend, not prospect athleticism.

Fifteen-minute grappler test

Petroski Proxy

Andre Petroski beat Vieira by unanimous decision when takedowns were neutralised — keeping Bryczek's 11% decision bucket live even though Bryczek is not Petroski.

The Five-Round Clock

Rodolfo Vieira danger windowRobert Bryczek danger windowNeutral / contested

R1 · 0:00–5:00Vieira's highest-equity window

Seven career Round-1 finishes — mostly submissions. Bryczek's eleven Round-1 regional KOs keep volatility high both ways.

Critical Insight
Vieira's equity is front-loaded on mat returns; Bryczek's best UFC evidence is back-loaded knockout power. Round 1 holds the highest combined finish variance; Round 3 favours Bryczek if standing, Vieira if control accumulates.

Finish Threat by Round

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

The Verdict

One hundred scenarios — Vieira 58% / Bryczek 42%

If you only read 3 things

Vieira 58% / Bryczek 42%, conviction 5/10 — BJJ volume against knockout defence, both with complete UFC aggregate lines.

Vieira owns the grappling columns (82 vs 52 composite, 1.03 vs 0.0 Sub/15); Bryczek owns knockout equity (78% KO share) and recent momentum (4-1 vs 2-3).

Round-by-round charts are blank by design — aggregate UFC rates are authoritative; per-round splits were not supplied for this build.

100 Simulated Fights

Vieira Submission — 32%Vieira Decision — 16%Vieira KO/TKO — 10%Bryczek KO/TKO — 28%Bryczek Decision — 11%Bryczek Submission — 3%

Each square = 1 simulated fight. Rodolfo Vieira gold · Robert Bryczek orange · full color = decision, 70% = submission, 45% = KO/TKO.

Grappling gap

Vieira 3.09 TD/15, 1.03 Sub/15 and 9 submission wins vs Bryczek 85% TDDef and 0.0 Sub/15.

Knockout path

Bryczek 78% KO win share and Tavares R3 TKO vs Vieira's two KO losses in the last five.

Striking efficiency vs defence

Vieira 56% accuracy vs Bryczek 59% defence — pace is identical at ~3.75 SLpM.

UFC experience

Ten Octagon bouts for Vieira against two for Bryczek.

Form asymmetry

Bryczek 4-1 last five vs Vieira 2-3 — caps conviction at 5/10.

Fight Scripts

of simulations

The Mat Return

Vieira chains takedowns, passes guard, and finishes by arm-triangle or choke — the Petrosyan template against a striker who has not faced this grappling volume in the UFC.

Scripted outcomes for Rodolfo Vieira vs Robert Bryczek — how each version of this fight unfolds.

Rodolfo Vieira win probability

10%

16%

32%

KO/TKODECSUB

Ten points. One career KO/TKO win — ground-and-pound after takedowns rather than standing power.
Sixteen points. Gore UD and Petroski loss show fifteen-minute viability; one career decision win.
Thirty-two points — largest bucket. Nine career submission wins and 1.03 Sub/15 are the core identity.

Robert Bryczek win probability

28%

11%

KO/TKODECSUB

Twenty-eight points — second-largest bucket overall. Fourteen career KOs and Tavares R3 TKO are the clearest path.
Eleven points. Two career decision wins; Potieria loss shows he can go fifteen but is not a decision specialist.
Three points — tail only. 0.0 Sub/15 in UFC sample; two regional submission wins.

Projected Scorecards

How the model scores each round

Rodolfo

Robert

29-28 Vieira

Control-heavy rounds banked early; Bryczek steals the third on damage

Slightly preferred distance outcome

30-27 Vieira

Takedown chains dominate all three rounds without a finish

Live if Bryczek cannot stand up

29-28 Bryczek

Range striking and Round-3 power without extended mat time

Requires Tavares-style late surge

Moneyline

Rodolfo Vieira

Not posted

Robert Bryczek

Not posted

No BetOnline line was verified at authoring time. The 58-42 split converts to approximate fair prices of Vieira −138 and Bryczek +138 before bookmaker margin.

Props: model vs market

Prop	Odds	Implied %	Model %	Fair	Edge	Verdict

Best Value
No bet recommended without a posted market. Vieira by submission (32%) and Bryczek by KO/TKO (28%) are the two largest buckets; conviction at 5/10 keeps this a lean rather than a lock.

Conviction

5/10

A real grappling-led lean capped by Vieira's 2-3 recent form, Bryczek's Tavares statement win, and a two-fight UFC sample on the striker side. Lean: Rodolfo Vieira.

What backs the lean

9 career submission wins and 1.03 Sub/15 against 0.0 Sub/15 offence.
3.09 TD/15 and an 82 vs 52 grappling composite gap.
56% striking accuracy and ten UFC bouts of middleweight experience.
Small APEX cage favours closing distance for takedown entries.

What limits it

2-3 in the last five with KO losses to Curtis and Nickal.
23% takedown accuracy — multiple entries required against 85% TDDef.
Bryczek's Round-3 TKO of Tavares proves late knockout power at UFC level.
Both men are 35 — no athletic edge; form favours Bryczek 4-1.
Bryczek's UFC sample is only two fights — projection uncertainty remains.

Final Assessment

This is a stylistic fork with measurable numbers on both sides. Vieira's path is takedown, top control, submission — nine career wins prove it. Bryczek's path is survive, counter, finish — the Tavares Round-3 TKO proves it at UFC level.

The 58-42 lean favours Vieira because the grappling gap is wider than Bryczek's knockout edge is reliable against a ten-fight UFC sample, and because Bryczek's 36% accuracy limits how often power lands clean.

Pick: Rodolfo Vieira 58% / Robert Bryczek 42%. Vieira by submission is the largest bucket at 32%; Bryczek by KO/TKO is next at 28%. Conviction remains 5/10.

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