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JooSang Yoo vs Gaston Bolanos

Featherweight · Prelims · UFC 326: Holloway vs. Oliveira 2

JooSang Yoo
JooSang Yoo
Age 32 · Elo 1500*
LW
154 days since last fight
vs
Gaston Bolanos
Gaston Bolanos
Age 33 · Elo 1459*
LLLW
308 days since last fight

Who wins, by source

JooSang YooGaston Bolanos
Claude Claude: JooSang Yoo 38% Claude: Gaston Bolanos 62% 38% 62% GPT GPT: JooSang Yoo 32% GPT: Gaston Bolanos 68% 32% 68% Elo Elo: JooSang Yoo 56% Elo: Gaston Bolanos 44% 56% 44%

Each row splits one source's view of the fight. The dashed line is even odds. Where the models sit further from the market, they are claiming an edge.

Tale of the tape

JooSang YooGaston Bolanos
Strikes landed / min JooSang Yoo Strikes landed / min: 6.36 6.36 Gaston Bolanos Strikes landed / min: 3.88 3.88 Strikes absorbed / min JooSang Yoo Strikes absorbed / min: 4.99 4.99 Gaston Bolanos Strikes absorbed / min: 3.49 3.49 Striking accuracy JooSang Yoo Striking accuracy: 58% 58% Gaston Bolanos Striking accuracy: 43% 43% Striking defense JooSang Yoo Striking defense: 56% 56% Gaston Bolanos Striking defense: 49% 49% Takedowns / 15 min JooSang Yoo Takedowns / 15 min: no data - Gaston Bolanos Takedowns / 15 min: 0.00 0.00 Takedown defense JooSang Yoo Takedown defense: 50% 50% Gaston Bolanos Takedown defense: 50% 50% Sub attempts / 15 min JooSang Yoo Sub attempts / 15 min: no data - Gaston Bolanos Sub attempts / 15 min: 0.0 0.0

Career UFC averages. Bars are scaled within each row, so compare left against right, not row against row. The stronger side is highlighted, and for strikes absorbed the lower number is the better one.

How it ends

KO/TKOSubmissionDecision
Claude Claude: KO/TKO 25% 25% Claude: Submission 10% 10% Claude: Decision 65% 65%GPT GPT: KO/TKO 58% 58% GPT: Submission 4% GPT: Decision 38% 38%

Each model's split across the ways this fight can finish, out of 100.

The analysis

Claude
Gaston Bolanos by Decision, 62% confidence

While Yoo lacks UFC data, Bolanos brings proven octagon experience despite recent struggles. His 43% striking accuracy and 3.88 SLPM output, though modest, represents tested UFC-level skills. Bolanos' recent move from bantamweight to featherweight could benefit him size-wise. His 2-fight losing streak came against higher-level competition, and this appears to be a confidence-building matchup. Yoo's orthodox stance matches Bolanos', neutralizing any stance advantage.

GPT
Gaston Bolanos by KO/TKO, 68% confidence

Bolanos is a proven, high-level Muay Thai striker with solid UFC striking metrics (3.88 SLpM at 43% accuracy, positive differential) and respectable defensive numbers. Yoo is an unknown quantity at the UFC level with no statistical sample, making it unlikely he can out-strike or safely navigate Bolanos' explosive kicking and elbow game over three rounds. Unless Yoo brings a surprisingly strong wrestling/grappling threat, Bolanos' experience, shot selection, and power should create knockdown opportunities and a likely finish.