Following the arrest of Thiago Silva, Nikita Krylov has agreed to step in on short notice to fight Ovince St. Preux at UFC 171. Krylov will be making his light heavyweight debut in this fight, having gone 1-1-0 as a heavyweight in the UFC. St. Preux is currently undefeated in UFC competition, with victories coming over Gian Villante and Cody Donovan. UFC 171 takes place on March 15th from the American Airlines Center in Dallas, Texas with Johny Hendricks and Robbie Lawler headlining.