Mayuko Ono

For Mayuko Ono's latest contributions to The Japan Times, see below:

Boxer Floyd Mayweather joins RIZIN

More Sports Nov 5, 2018

Boxer Floyd Mayweather joins RIZIN

Floyd Mayweather has won world titles in five different weight classes and is 50-0 in an unparalleled boxing career, but the American could be set for a stunning detour into the world of mixed martial arts after signing with Japanese promoters RIZIN Fighting Federation. The ...