Sean Sharaf shocks Gable Steveson with 12-second KO at UFC 331

Sean Sharaf scored the biggest upset of his UFC career at UFC 331 on September 19 in Los Angeles, knocking out heavily favored Gable Steveson in just 12 seconds with a devastating left hook.

Sharaf entered the bout as a +1000 underdog against Steveson, who carried -2500 odds and an undefeated 4-0 professional record. The heavyweight prospect had traded barbs with Steveson throughout fight week, including references to past allegations against the Olympic gold medalist. Few expected the underdog to survive, let alone thrive—but Sharaf silenced the skeptics with one vicious strike.

The finish marked Sharaf's first UFC victory and improved his overall record to 5-2. "The Smoke" had entered the promotion in 2024 with an impressive resume of four first-round finishes in his previous five bouts, but consecutive UFC losses via knockout had derailed his momentum. This rapid turnaround demonstrated both his resilience and striking prowess. In his post-fight interview, an emotional Sharaf reflected on his journey. "I'm not surprised, motherf*ckers," he said. "I feel amazing. I worked so hard, I prayed so hard. Believed in myself when nobody believed in myself."

For Steveson, who trains alongside UFC heavyweight champion Jon Jones, the loss marked his first professional setback. The 12-second knockout was a stunning reversal of fortune for the wrestler-turned-MMA fighter, who had been positioned as an emerging heavyweight contender. Sharaf's victory proves that in MMA, no opponent is unbeatable—and betting markets don't always account for heart and preparation.