Merab Dvalishvili retained his 135-pound championship when he tapped out Sean O’Malley in the third round in the main event of UFC 316 at the Prudential Center.

Mike Perry looks on during his welterweight bout against Alex Oliveira of Brazil at UFC Fight Night at BB&T Center on April 27 in Sunrise, Florida. (Photo by Michael Reaves/Getty Images)(CNN) - Mike Perry's nose might never look the same again. The American MMA fighter took a bloody beating by Brazilian-American Vicente Luque in the co-main event at UFC Fight Night in Uruguay on Saturday. But the gruesome moment that had everyone talking came in the third round when a flying knee from Luque shattered Perry's nose. Perry underwent successful nose surgery in Uruguay on Sunday, his manager Abraham Kawa told ESPN.