Kayla Harrison vs Ronda Rousey
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
19-1-0Record13-2-0
BantamweightDivisionBantamweight
5'8"Height5'6"
66″Reach68"
135 lbsWeight135 lbs
American Top TeamTeamTeam Hayastan
What's at stake
Kayla Harrison is the Elo favorite, so a win banks only +15 while a loss costs more — Ronda Rousey carries the upset premium, with more to gain and less to lose.
If they win+15→ 1793
If they lose-17→ 1761
If they win+17→ 1768
If they lose-15→ 1736
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.
1579 · 10 fightsPre-fight Elo1649 · 10 fights
Tracked stat edges
Elo Trajectory
Kayla HarrisonRonda Rousey
Win method breakdown
Combat Edge model read
Kayla Harrison66%
Ronda Rousey 34%Elo baseline: 54%
The Combat Edge model makes Kayla Harrison a 66% favorite over Ronda Rousey in a hypothetical meeting — in line with the Elo baseline (54%).
Kayla Harrison holds the higher Combat Edge Elo at 1778 to 1751, a 27-point edge.
Kayla Harrison enters on a 4-fight win streak.
Kayla Harrison finishes 74% of wins inside the distance, Ronda Rousey 100%.
Kayla Harrison and Ronda Rousey share 1 common opponent: Holly Holm.
Ronda Rousey carries a 2-inch reach advantage.
Model estimate for a hypothetical bout, generated from Combat Edge Elo, form, and career stats. Not a betting recommendation.