10 Most Brutal Knockouts In UFC History

10. UFC 31: Shonie Carter Vs. Matt Serra

When looking back at the early years of Ultimate Fighting Championship, one of the most memorable and brutal knockouts came back at 2001's UFC 31.

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There, MMA fans were treated to Shonie Carter taking out Matt Serra with a unique back fist strike that left Serra KO'd.

With both fighters out on their feet and with literally nine seconds remaining in the fight, Carter landed the vital blow that would see him pick up the W.

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