Kacper Koziorzębski vs Sean Spencer
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
13-6-0Record12-7-0
WelterweightDivisionWelterweight
6'0"Height5'10"
-Reach75,0"
170 lbsWeight170 lbs
Bonzai MMA· 1587 avg Elo · 3 ratedTeamFortis MMA
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+16→ 1598
If they lose-16→ 1566
If they win+16→ 1597
If they lose-16→ 1565
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.
1555 · 10 fightsPre-fight Elo1615 · 10 fights
Tracked stat edges
Tracked UFC statistics may not cover a fighter's full career. Unavailable measurements are not zero.
Elo Trajectory
Kacper KoziorzębskiSean Spencer
Win method breakdown
Combat Edge model read
Sean Spencer55%
Kacper Koziorzębski 45%Elo baseline: 50%
The Combat Edge model makes Sean Spencer a 55% favorite over Kacper Koziorzębski in a hypothetical meeting — an upset call against the Elo baseline, which leans Kacper Koziorzębski's way (50%).
Their Combat Edge Elo ratings are nearly level (1582 vs 1581), separated by just 1 points.
Kacper Koziorzębski enters on a 4-fight win streak.
Sean Spencer enters on a 4-fight loss streak.
Kacper Koziorzębski finishes 31% of wins inside the distance, Sean Spencer 33%.
Model estimate for a hypothetical bout, generated from Combat Edge Elo, form, and career stats. Not a betting recommendation.