Robert Bryczek vs Rodolfo Vieira
The AI’s call
Vieira's grappling and submission volume overcome Bryczek's power in a close, grinding affair.
AI vs the market
AI 62% · crowd 32% on Vieira (+30)
⚡ Our AI calls the upset. It picks Vieira while the crowd backs the other corner — the loudest disagreement you’ll find on this fight.
The breakdown
Bryczek is a heavy-handed finisher (12 KOs in 18 wins) with elite striking output at 2.8 sig strikes/min and a 100% takedown accuracy rate, though volume is minimal. He's 35 and just lost to Rowston via decision, showing vulnerability to technical strikers. Vieira is a submission specialist (9 of 11 wins by sub) with superior striking accuracy (54% vs 38%) and significantly higher takedown rate (2.87 vs 0.36/15min), but his 22% TD accuracy and recent loss to Bo Nickal via head kick suggest defensive gaps. Both are 35-36 and on losing streaks, but Vieira's grappling dominance and submission threat pose real problems for Bryczek's defensive wrestling (no submission defense data). Bryczek's power and recent KO over Tavares remain dangerous, but Vieira's control and submission volume give him more paths to victory.
Bryczek — edges
- Superior striking output (2.8 vs 3.43 landed, but 38% accuracy shows volume over precision)
- Elite finishing rate via KO/TKO (12 of 18 wins)
- Perfect takedown accuracy when attempting (100%)
- Recent KO victory over ranked Tavares
Vieira — edges
- Much higher striking accuracy (54% vs 38%)
- Dominant takedown rate (2.87 vs 0.36 per 15min)
- Submission specialist with 9 of 11 wins by sub
- Lower striking absorption (4.28 vs 4.51/min)
X-factor
Bryczek's power punching in early rounds before Vieira establishes top control and submission chains.
How the market sees it ending
How it ends
Who lands the knockout
Tale of the tape
Physical
Age
Height
Reach
Record
Wins
Losses
Wins by KO/TKO
Wins by submission
Striking
Landed / min
Absorbed / min
Accuracy
Knockdowns / 15 min
Grappling
Takedowns / 15 min
TD accuracy
Sub. attempts / 15 min
About these numbers
Market probability is the live crowd consensus from Polymarket, a public prediction market where people trade on outcomes — we read it as a data signal for what the crowd expects, and it updates continuously. AI probabilityis our own model’s independent read of the matchup from fighter data alone; it never sees the market price, which is why the two can disagree.
All of it is published for analysis and entertainment. Nothing here is betting advice, a recommendation, or a prediction of a guaranteed result — fights are volatile and upsets are the sport.