METRICS GUIDE
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All stats are calculated from official fight data. Style scores are Combatrics proprietary ratings updated after every event.
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Two fighters who have never won a decision between them, with a combined six recorded fights and three of them ending inside two rounds.
Neither of these fighters has enough of a record for the model to speak with authority, and the sensible starting point is to say what the file actually contains. JooSang Yoo has two recorded fights. Michael Aswell Jr. has four. Between them, that is six nights of evidence, and three of those six ended inside two rounds. Yoo's two are a study in symmetry. He knocked out Jeka Saragih in 28 seconds…
Aswell (11-4) has lost three of his four recorded fights, all by decision — Gaston Bolanos in June 2026, Luke Riley in March 2026, Bolaji Oki in May 2025 — with a first-round knockout of Lucas Almeida the exception. At 25 he is the younger man by seven years, with a 94.0 chin rating and a 36.1 momentum score.
Yoo (9-1) has two recorded fights: a 28-second knockout of Jeka Saragih in June 2025, then a knockout loss to Daniel Santos 21 seconds into the second round in October 2025. A 64.2 composite and 78.0 chin rating built on that pair — the model has almost nothing to work with.
Yoo has two recorded fights, one of which ended 21 seconds into round two
Volume scores of 0.50 and 1.00 — neither man throws, so one exchange may decide it
Aswell's 94.0 chin rating against 78.0, and three decision losses that prove he lasts
Five centimetres of reach for Yoo despite being the shorter fighter
Identical 60.0 quality-of-victory scores — the joint-highest on the card, off two and four fights respectively
Yoo's ratings come from two fights and could be describing a fighter who does not exist
Aswell has never been finished at this level and has been to three decisions; a long fight favours him even though he has lost all three
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Combatrics radar — 6 fighting dimensions scored 0–10