Two of boxing’s most talented pound-for-pound fighters will square off in a highly anticipated rematch when International Boxing Federation (IBF) “Super” 140-Pound Champion Kostya Tszyu defends his title against Interim IBF Junior Welterweight Champion Sharmba Mitchell Saturday, Nov. 6, 2004, on SHOWTIME CHAMPIONSHIP BOXING. In the co-feature, World Boxing Organization (WBO) Junior Featherweight Champion Joan Guzman will defend his title for the second time when he takes on WBO No. 13 contender Marcos Licona. SHOWTIME will televise both world title fights from the Glendale Arena in Phoenix, Ariz., at 9 p.m. ET/PT. (delayed on West Coast). Millenium Events Inc., in association with Gary Shaw Productions, LLC, will present the fight card. [details]