Tokyo, Japan (AFP) Floyd Mayweather knocked out mixed martial arts fighter Mikuru Asakura in the second round on Sunday in Japan in the latest of the retired boxing great’s post-retirement exhibitions. The 45-year-old Mayweather floored his opponent with a right hand as his former welterweight foe Manny Pacquiao watched ringside in Saitama. The American Mayweather, who retired in 2017 with an unbeaten 50-0 record, afterwards dismissed any prospect of a fight with the similarly […]