Karl Roberson vs Marcin Prachnio
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
9-7-0Record17-9-0
MiddleweightDivisionLight Heavyweight
6'1"Height6'3"
74"Reach74"
184 lbsWeight205 lbs
Killer B Combat Sports AcademyTeamTatsujin Dojo
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→ 1623
If they lose-16→ 1591
If they win+12→ 1623
If they lose-12→ 1599
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.
1670 · 10 fightsPre-fight Elo1635 · 10 fights
Tracked stat edges
Elo Trajectory
Karl RobersonMarcin Prachnio
Win method breakdown
Combat Edge model read
Karl Roberson56%
Marcin Prachnio 44%Elo baseline: 49%
The Combat Edge model makes Karl Roberson a 56% favorite over Marcin Prachnio in a hypothetical meeting — an upset call against the Elo baseline, which leans Marcin Prachnio's way (49%).
Their Combat Edge Elo ratings are nearly level (1607 vs 1611), separated by just 4 points.
Karl Roberson enters on a 4-fight loss streak.
Marcin Prachnio enters on a 2-fight loss streak.
Karl Roberson finishes 67% of wins inside the distance, Marcin Prachnio 71%.
Karl Roberson and Marcin Prachnio share 1 common opponent: Khalil Rountree Jr..
Model estimate for a hypothetical bout, generated from Combat Edge Elo, form, and career stats. Not a betting recommendation.