Miguel Angel Cotto 32-0 welterweight champ Cotto backed away from Margarito when the punishment became severe. Amir Khan Popular but overhyped Khan’s 18-0 lightweight record fell to Breidis Prescott in only 54 seconds. Britain had to relive Jerry Quarry vs. Jack Bodell all over again. Marcos Ramirez Ramirez blew a 25-0 record against Yuriorkis Gamboa…