
BJ Penn vs Dennis Siver
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
What's at stake
Dennis Siver is the Elo favorite, so a win banks only +10 while a loss costs more — BJ Penn carries the upset premium, with more to gain and less to lose.
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.
Tracked stat edges
Elo Trajectory
Win method breakdown
Combat Edge model read
The Combat Edge model makes Dennis Siver a 67% favorite over BJ Penn in a hypothetical meeting — in line with the Elo baseline (58%).
Dennis Siver holds the higher Combat Edge Elo at 1668 to 1615, a 53-point edge.
BJ Penn enters on a 7-fight loss streak.
BJ Penn finishes 81% of wins inside the distance, Dennis Siver 61%.
Model estimate for a hypothetical bout, generated from Combat Edge Elo, form, and career stats. Not a betting recommendation.