BROOKLYN - A huge fight week featuring the first two heavyweight world title fights in Brooklyn in 115 years kicked off Tuesday with media workouts at world famous Gleason's Gym in Brooklyn.

This Saturday, January 16 at Barclays Center, WBC Heavyweight World Champion Deontay Wilder will make the third defense of his title against Polish bruiser Artur Szpilka while unbeaten heavyweights Charles Martin and Vyacheslav Glazkov battle for the vacant IBF Heavyweight World Championship. The doubleheader will air live on SHOWTIME® at 10 p.m. ET/7 p.m. PT.

Tickets for the live event, which is promoted by DiBella Entertainment in association with Warriors Boxing and Sferis Knockout Promotions, start at $25, not including applicable fees, and are on sale now. Tickets can be purchased online by visiting , by calling 1-800-745-3000. Tickets are also available at the American Express Box Office at Barclays Center. Group discounts are available by calling 844-BKLYN-GP

Also in attendance at Tuesday's workout were local favorites and featured undercard fighters Julian Sosa (3-0-1, 1 KO), Ivan Golub (9-0, 7 KOs) and Amanda Serrano (26-1-1, 19 KOs),who will fight Erika Kalderas (11-1, 4 KOs) in a vacant WBO Female Featherweight World Title fight on Saturday night.