Combat Edge Intelligence

Gaston Bolaños vs Joo Sang Yoo

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

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Joo Sang Yoo
kr

Joo Sang Yoo

“Zombie JR.”

9-1-0FeatherweightUFC

1655Good

Tale of the tape

9-5-0Record9-1-0
BantamweightDivisionFeatherweight
5'7"Height5'9"
69"Reach71"
135 lbsWeight145 lbs
CSATeamTiger Gym

What's at stake

Joo Sang Yoo is the Elo favorite, so a win banks only +13 while a loss costs more — Gaston Bolaños carries the upset premium, with more to gain and less to lose.

Gaston BolañosNow 1596
If they win+19→ 1615
If they lose-13→ 1583
Joo Sang YooNow 1655
If they win+13→ 1668
If they lose-19→ 1636

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.

1563 · 10 fightsPre-fight Elo1521 · 10 fights

Tracked stat edges

3.28
Sig. strikes / min
6.36
49%
Strike accuracy
59%
2.40
Strikes absorbed / minLower is better
4.99
51%
Strike defense
56%
0.66
Takedown avg.
0
100%
Takedown accuracy
TBD
43%
Takedown defense
50%
0
Submission avg.
0

Trajectory

Gaston BolañosJoo Sang Yoo
1600165017002023202420252026

Win method breakdown

6 (67%)
KO/TKO
4 (44%)
0 (0%)
Submission
1 (11%)
3 (33%)
Decision
4 (44%)

Combat Edge model read

Joo Sang Yoo60%
Gaston Bolaños 40%Elo baseline: 58%

The Combat Edge model makes Joo Sang Yoo a 60% favorite over Gaston Bolaños in a hypothetical meeting — in line with the Elo baseline (58%).

Joo Sang Yoo holds the higher Combat Edge Elo at 1655 to 1596, a 59-point edge.

Gaston Bolaños finishes 67% of wins inside the distance, Joo Sang Yoo 56%.

Joo Sang Yoo 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.