Petr Yan vs Sean O'Malley
Side-by-side comparison: records, physical profile, Combat Edge Elo, win methods, tracked UFC stats, and common opponents.
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Tale of the tape
20-5-0Record20-3-0
BantamweightDivisionBantamweight
5'7"Height5'11"
67"Reach72″
135 lbsWeight135 lbs
Archangel Michael Club· 1764 avg Elo · 3 ratedTeamMMA Lab
What's at stake
The ratings are close, so the Elo swings are near-symmetric — the winner and loser trade a similar number of points either way.
If they win+12→ 1829
If they lose-12→ 1805
If they win+16→ 1831
If they lose-16→ 1799
Projected for a decision result at current ratings. A finish (KO/TKO or submission) scales the swing up by roughly 20–25%.
Opponent quality
Average pre-fight Elo of each fighter's latest 10 counted pro MMA opponents. Higher means the recent schedule was stronger; later opponent results do not rewrite the score.
1778 · 10 fightsPre-fight Elo1750 · 10 fights
Tracked stat edges
Elo Trajectory
Petr YanSean O'Malley
Win method breakdown
Combat Edge model read
Sean O'Malley56%
Petr Yan 44%Elo baseline: 50%
The Combat Edge model makes Sean O'Malley a 56% favorite over Petr Yan in a hypothetical meeting — an upset call against the Elo baseline, which leans Petr Yan's way (50%).
Their Combat Edge Elo ratings are nearly level (1817 vs 1815), separated by just 2 points.
Petr Yan enters on a 4-fight win streak.
Sean O'Malley enters on a 2-fight win streak.
Petr Yan finishes 40% of wins inside the distance, Sean O'Malley 70%.
Petr Yan and Sean O'Malley share 3 common opponents: Merab Dvalishvili, Yadong Song and Aljamain Sterling.
Sean O'Malley carries a 5-inch reach advantage.
Model estimate for a hypothetical bout, generated from Combat Edge Elo, form, and career stats. Not a betting recommendation.
Common opponents (3)
WinDecision (unanimous) · 2025
LossDecision - Unanimous · 2023
LossSubmission · 2025
LossDecision (unanimous) · 2024