Bob Bowman, Michael Phelps' coach, says athlete voices are 'best way to stop doping'
U.S. swimming coach Bob Bowman commended the message behind medal-stand boycotts of Chinese swimmer Sun Yang by swimmers Duncan Scott and Mack Horton.
U.S. swimming coach Bob Bowman commended the message behind medal-stand boycotts of Chinese swimmer Sun Yang by swimmers Duncan Scott and Mack Horton.