UFC 331 results: Sean Sharaf shocks Olympic champ Gable Steveson with brutal 12-second KO in historic upset

Sharaf entered UFC 331 as more than a 10-to-1 underdog and was winless in his previous two Octagon appearances.

<p>Sharaf entered UFC 331 as more than a 10-to-1 underdog and was winless in his previous two Octagon appearances.</p>