By Ryan Burton

Two-division world champion Jessie Vargas hosted a media workout in Las Vegas Thursday as he prepares for his main event showdown against four-division world champion Adrien Broner on Saturday, April 21 live on SHOWTIME from Barclays Center, the home of BROOKLYN BOXING. (photos by John Gurzinsky)

The Premier Boxing Champions event will also feature unbeaten former champion Jermall Charlo and once-beaten Hugo Centeno Jr. squaring-off for the WBC Interim 160-pound title. The SHOWTIME CHAMPIONSHIP BOXING telecast begins at 9 p.m. ET/6 p.m. PT with former world champions Gervonta Davis and Jesus Cuellar battling for the WBA 130-pound Super Featherweight World Championship.

Tickets for the live event, which is promoted by Mayweather Promotions, DiBella Entertainment and TGB Promotions, start at $50 and can be purchased at ticketmaster.com, barclayscenter.com or by calling 800-745-3000. Tickets can also be purchased at the American Express Box Office at Barclays Center. Group discounts are available by calling 844-BKLYN-GP.

The April 21 showdown against Broner will be Vargas' second fight being guided by head trainer and former three-division world champion Mike "The Bodysnatcher" McCallum.