Top super welterweight contender and rising star Tim Tszyu, the son of former unified champion Kostya, makes his long-awaited U.S. debut against U.S. Olympian and rugged veteran Terrell Gausha. Australia’s Tszyu has won his first 20 pro fights to make a name for himself as one of the most promising contenders at 154 pounds while Gausha has provided stiff competition for some of the division’s elite fighters. Plus, undefeated lightweight contender Michel Rivera vs. Joseph Adorno and Elvis Rodriguez vs. Juan José Velasco. Live on SHOWTIME.

Minneapolis’ Jamal James takes on unbeaten Russian Radzhab Butaev in a welterweight title fight that headlines a stacked three-fight card featuring top contenders and up-and-coming stars from Mandalay Event Center in Las Vegas. In the co-feature, Philadelphia’s 24-year-old rising welterweight phenom and KO artist Jaron Ennis meets dangerous contender Thomas Dulorme. In the opener, exciting undefeated lightweight Michel Rivera, the self-anointed “Reincarnation of Muhammad Ali”, faces Matías Romero. Live on Showtime.

It’s a monster mash this Halloween as two standout gladiators clash for supremacy in a WBA Super Featherweight/WBA Lightweight World Championship event. The once beaten Leo Santa Cruz (37-1-1) and the undefeated Gervonta Davis (23-0) collide in a fight that serves as a career defining moment for both men. Gervonta Davis (23-0, 22KO) vs Leo Santa Cruz (37-1-1, 19 KO) Mario Barrios vs Ryan Karl Regis Prograis vs Juan Heraldez Isaac Cruz vs Diego Magdaleno

Undefeated two-time super middleweight world champion David “El Monstruo” Benavidez defends his Interim WBC Super Middleweight Title against unbeaten two-division champion Demetrius “Boo Boo” Andrade at the Michelob ULTRA Arena at Mandalay Bay Resort and Casino in Las Vegas, NV.

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.

Following an MMA appearance in PFL earlier this year, Claressa Shields (14-0) returns to the boxing ring to face Vanessa Joanisse (7-1).

Behind the scenes look at Michel Rivera like you've never seen before.