Maidana: It's time for Mayweather to lose

By Dan Ambrose: WBA welterweight champion Marcos Maidana (35-3, 31 KO's) thinks it's time for 36-year-old Floyd Mayweather Jr. (45-0, 26 KO's) to taste defeat for the first time in his long 18-year pro career when the two of them meet up on May 3rd for their pay-per-view bout on Showtime. Maidana is working on […]