LAS VEGAS, NV - MAY 02: Manny Pacquiao in the ring after losing to Floyd Mayweather Jr. at the welterweight unification championship bout on May 2, 2015 at MGM Grand Garden Arena in Las Vegas, Nevada. (Photo by Al Bello/Getty Images)
LAS VEGAS, NV - MAY 02: Manny Pacquiao in the ring after losing to Floyd Mayweather Jr. at the welterweight unification championship bout on May 2, 2015 at MGM Grand Garden Arena in Las Vegas, Nevada. (Photo by Al Bello/Getty Images)