Watch: Floyd Mayweather hits Manny Pacquiao below the belt
Floyd Mayweather appeared to strike Manny Pacquiao in the groin during Saturday's highly, highly anticipated bout. Actually, it was Sunday morning.
Either way, Mayweather and Pacquiao's long-awaited fight, considered one of the biggest in boxing history, finally got underway at the MGM Grand in Las Vegas.
Pacquiao (57-5-2, 38 KOs) is looking to defend his WBO title, while Mayweather (47-0, 26 KOs) will put his WBC and WBA crowns on the line.
GALLERY: MAYWEATHER DEFEATS PACQUIAO
Mayweather vs Pacquiao: SI's Best Photos