By Ryan Burton

LAS VEGAS - Undefeated featherweight world champion Carl Frampton and former three-division world champion Leo Santa Cruz went face-to-face Thursday at the final press conference before they enter the ring for their highly anticipated rematch that headlines a Premier Boxing Champions event this Saturday, January 28 at the MGM Grand Garden Arena in Las Vegas and live on SHOWTIME.

Televised coverage of SHOWTIME CHAMPIONSHIP BOXING begins at 10 p.m. ET/7 p.m. PT with undefeated lightweight world champion Dejan Zlaticanin battling former two-division world champion Mikey Garcia, who also squared-off at the final press conference before their championship showdown Saturday.

The press conference also featured fighters competing in the SHOWTIME EXTREME portion of the card beginning at 8 p.m. ET/PT. Featherweight world champion Lee Selby defends his title against former champion Jonathan Victor Barros, undefeated rising star David Benavidez takes on once-beaten Sherali Mamadjonov and undefeated prospect Josh Taylor will have highlights of his 10-round super lightweight contest featured on-air, time permitting.

Santa Cruz announced at the press conference, that he will be raffling off his ring outfit, gloves and other items following the fight and plans to donate the money to a children's cancer charity. Additional information will be posted on his social media accounts (@leosantacruz2 on Twitter and @elfamosoterremoto on Instagram).

Featherweight world champion Lee Selby will fight for the second time in the United States when he battles former world champion Jonathan Victor Barros in action on SHOWTIME EXTREME beginning at 8 p.m. ET/PT.

Tickets for the live event, which is promoted by Ringstar Sports in association with Cyclone Promotions and TGB Promotions, are priced at $504, $404, $304, $204, $104 and $54, and are on sale. Tickets are available at www.AXS.com