Ryan Burton was front and center for the final press conference at the MGM Grand in Las Vegas, for Saturday's Premier Boxing Champions card on NBC - which features Adrien "The Problem" Broner (30-1, 22 KOs) taking on "Showtime" Shawn Porter (25-1-1, 16 KOs) and Errol "The Truth" Spence Jr. (16-0, 13 KOs) facing Phil Lo Greco.

Coverage on NBC begins at 8:30 p.m. ET/5:30 p.m. PT.

Tickets for the Saturday's event, which is promoted by Mayweather Promotions in association with TGB Promotions, are priced at $400, $300, $100 and $50, not including applicable service charges and taxes are on sale now. To charge by phone with a major credit card, call Ticketmaster at (800) 745-3000. Tickets are also available at www.mgmgrand.com or www.ticketmaster.com.