A pair of rising undefeated lightweight contenders will clash in a high-level crossroads main event as Michel “La Zarza Ali” Rivera battles Frank “The Ghost” Martin from The Chelsea inside The Cosmopolitan of Las Vegas. The winner puts themselves one step closer to a world title opportunity in the stacked 135-pound division. Plus, former world champion José Uzcátegui returns to action against unbeaten former amateur standout Vladimir Shishkin and bantamweight contenders Vincent Astrolabio and Nikolai Potapov face off. Live on SHOWTIME.

Michel Rivera vs. Frank Martin

Hard-hitting middleweight Carlos Adames defends his interim belt against former 154-pound unified champion Julian “J-Rock” Williams in the main event of a tripleheader from The Armory in Minneapolis. Adames won the interim title when he knocked out Juan Macias Montiel in October. Philadelphia’s Williams successfully made his 160-pound debut in November. Plus, 154-pound contenders Erickson Lubin vs. Luis Arias and 115-pound world champion Fernando Martinez vs. Jade Bornea. Live on SHOWTIME.