Witness history and relive the blockbuster showdown that no one believed was possible, when legendary undefeated world champion Floyd Mayweather battled UFC superstar Conor McGregor in the most anticipated sporting event of the year. Sparks flew as the two biggest names in their sport took center stage for a once in a lifetime sports spectacle. Don’t miss the SHOWTIME® premiere of this epic match for the ages, Saturday, September 2nd at 9/8c.