UFC 311's headliner changed as Arman Tsarukyan was pulled from his lightweight championship rematch with Islam Makhachev due to a back injury, and Makhachev will now face Renato Moicano in the main event.
UFC 311 just hit a snag. One of its headliners is out.
During Friday's weigh-ins, Dana White dropped a bombshell on Instagram. Arman Tsarukyan won't...