Ailín Pérez vs Kayla Harrison
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
14-2-0Record19-1-0
BantamweightDivisionBantamweight
5'5"Height5'8"
66"Reach66″
135 lbsWeight135 lbs
The Goat Shed Academy· 1669 avg Elo · 8 ratedTeamAmerican Top Team
What's at stake
Kayla Harrison is the Elo favorite, so a win banks only +13 while a loss costs more — Ailín Pérez carries the upset premium, with more to gain and less to lose.
If they win+19→ 1729
If they lose-13→ 1697
If they win+13→ 1791
If they lose-19→ 1759
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.
1596 · 10 fightsPre-fight Elo1579 · 10 fights
Tracked stat edges
Tracked UFC statistics may not cover a fighter's full career. Unavailable measurements are not zero.
Elo Trajectory
Ailín PérezKayla Harrison
Win method breakdown
Combat Edge model read
Kayla Harrison54%
Ailín Pérez 46%Elo baseline: 60%
The Combat Edge model makes Kayla Harrison a 54% favorite over Ailín Pérez in a hypothetical meeting — in line with the Elo baseline (60%).
Kayla Harrison holds the higher Combat Edge Elo at 1778 to 1710, a 68-point edge.
Ailín Pérez enters on a 7-fight win streak.
Kayla Harrison enters on a 4-fight win streak.
Ailín Pérez finishes 43% of wins inside the distance, Kayla Harrison 74%.
Model estimate for a hypothetical bout, generated from Combat Edge Elo, form, and career stats. Not a betting recommendation.