Floyd Mayweather (50-0) beats Conor McGregor. Mayweather passes Rocky Marciano (49-0) for most wins without a loss/draw in boxing history.— ESPN Stats & Info (@ESPNStatsInfo) August 27, 2017
Floyd Mayweather (50-0) beats Conor McGregor. Mayweather passes Rocky Marciano (49-0) for most wins without a loss/draw in boxing history.