Photos: Mario Barrios Grinding Hard For Keith Thurman Showdown

Former unified welterweight world champion Keith “One Time’’ Thurman will return to the ring to take on former super lightweight world champion Mario “El Azteca” Barrios in a 12-round welterweight showdown that headlines a FOX Sports PBC Pay-Per-View lineup on Saturday, February 5 from Michelob ULTRA Arena at Mandalay Bay Resort and Casino in Las Vegas. (photos by Ryan Hafey)

In the co-feature, four-division world champion Leo “El Terremoto’’ Santa Cruz will battle Keenan “Bedo’’ Carbajal in a 10-round super featherweight match, while battle-tested all-action welterweights Abel Ramos and Josesito “Riverside Rocky’’ Lopez clash in a 10-round attraction.

The pay-per-view telecast begins at 9 p.m. ET/6 p.m. PT with former two-division champion Luis “Pantera” Nery battling unbeaten Carlos Castro in a 10-round super bantamweight duel.