Sean Sharaf, a 12-1 underdog, knocked out Gable Steveson in 12...

David Purdum

Sean Sharaf, a 12-1 underdog, knocked out Gable Steveson in 12 seconds Saturday at UFC 331. It's the largest known upset in UFC history, per DraftKings. Stevenson was a -2400 favorite.

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Sep 19, 2026, 10:49 PM

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