The Fight of the Century between Floyd Mayweather and Manny Pacquiao reportedly generated well over $400 million in pay per view sales alone, making it financially the biggest fight of all time. Most folks were disappointed in how dull the fight was, but that wasn’t enough to prevent the money from coming in. According to Sports Illustrated, the fight had 4.4 million pay-per-view buys in the U.S. alone.