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Combat Edge Intelligence

Alivia Bierley vs Sara Collins

Side-by-side comparison: records, physical profile, Combat Edge Elo, win methods, tracked UFC stats, and common opponents.

Compare any two fighters →

Tale of the tape

5-1-0Record6-1-0
FeatherweightDivisionFeatherweight
5'7"Height5'7"
-Reach68"
137 lbsWeight145 lbs
Pete Spratt American Muay ThaiTeamResilience Training Centre

What's at stake

Sara Collins is the Elo favorite, so a win banks only +22 while a loss costs more — Alivia Bierley carries the upset premium, with more to gain and less to lose.

Alivia BierleyNow 1601
If they win+26→ 1627
If they lose-22→ 1579
Sara CollinsNow 1629
If they win+22→ 1651
If they lose-26→ 1603

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.

1499 · 6 fightsPre-fight Elo1575 · 7 fights

Tracked stat edges

Tracked UFC statistics may not cover a fighter's full career. Unavailable measurements are not zero.

Not available
Sig. strikes / min
Not available
Not available
Strike accuracy
Not available
Not available
Strikes absorbed / minLower is better
Not available
Not available
Strike defense
Not available
Not available
Takedown avg.
Not available
Not available
Takedown accuracy
Not available
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Takedown defense
Not available
Not available
Submission avg.
Not available

Trajectory

Alivia BierleySara Collins
1500155016001650202420252026

Win method breakdown

3 (60%)
KO/TKO
0 (0%)
0 (0%)
Submission
3 (50%)
2 (40%)
Decision
3 (50%)

Combat Edge model read

Sara Collins61%
Alivia Bierley 39%Elo baseline: 54%

The Combat Edge model makes Sara Collins a 61% favorite over Alivia Bierley in a hypothetical meeting — in line with the Elo baseline (54%).

Sara Collins holds the higher Combat Edge Elo at 1629 to 1601, a 28-point edge.

Alivia Bierley enters on a 5-fight win streak.

Alivia Bierley finishes 60% of wins inside the distance, Sara Collins 50%.

Model estimate for a hypothetical bout, generated from Combat Edge Elo, form, and career stats. Not a betting recommendation.