Undisputed welterweight champion Zab Judah and WBC No. 1 welterweight contender Carlos Baldomir train during an open media workout Tuesday in New York. Judah puts all his belts on the line against Baldomir in Saturday's main event on SHOWTIME (9 p.m. ET/PT, delayed on the west coast). In the first half of the Don King Productions Jan. 7 world championship doubleheader on SHOWTIME CHAMPIONSHIP BOXING from the Theater at Madison Square Garden, WBC/WBA cruiserweight champion Jean-Marc Mormeck meets IBF cruiserweight champion O'Neill Bell for the undisputed world cruiserweight title.