Welterweight stars Danny Garcia and Shawn Porter kicked off fight week in Brooklyn Wednesday with media workouts ahead of their showdown for the vacant WBC Welterweight World Championship taking place this Saturday, September 8 live on SHOWTIME from Barclays Center, the home of BROOKLYN BOXING™ and presented by Premier Boxing Champions.

The SHOWTIME CHAMPIONSHIP BOXING telecast begins at 9 p.m. ET/6 p.m. PT and features a welterweight title eliminator between Yordenis Ugas and Cesar Barrionuevo and heavyweight action that pits unbeaten Polish slugger Adam Kownacki against former heavyweight champion Charles Martin, all of whom participated in Wednesday’s workout.

The media workout also featured fighters competing in streaming action on SHOWTIME CHAMPIONSHIP BOXING COUNTDOWN (7 p.m. ET/4 p.m. PT) as five-division world champion Amanda Serrano attempts to win a world title in her record sixth weight class when she faces Yamila Esther Reynoso for the WBO 140-pound title.

Tickets for the live event, which is promoted by TGB Promotions and DiBella Entertainment, in association with DSG Promotions, start at $50 and are on sale now. Tickets 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.