The Conor McGregor vs. Floyd Mayweather boxing showdown is finally on. Pro athletes from around the sports world reacted to the news Wednesday evening.
This is Conor's biggest win to date. He turns dreams into reality unlike any #mma fighter before… https://t.co/TgATARqWeI
Conor cracks Mayweather with that left, Mayweather goes down, doesn't get back up... The most incredible accomplishment by any athlete ever?— Cathal Pendred (@Pendred) June 14, 2017
