Tsarukyan hast lost his opportunity to rematch champion Islam Makhachev following his late-notice withdrawal from the main event of UFC 311 at Intuit Dome. The news was revealed by UFC CEO Dana White on Saturday night at the post-fight press conference.

The first big Ultimate Fighting Championship show of the year has just taken a monumental hit. During the UFC 311 early weigh-ins on Friday, Sherdog learned from sources close to the situation that headlining lightweight title challenger Arman Tsarukyan suffered a back injury.

Arman Tsarukyan will not fight for the lightweight title the next time fight fans see him compete after the No. 1 contender’s eleventh-hour withdrawal from UFC 311, according to Dana White.