LAS VEGAS, NV - APRIL 28: WBO welterweight champion Manny Pacquiao arrives at a fan rally at the Mandalay Bay Convention Center with his trainer Freddie Roach (L) on April 28, 2015 in Las Vegas, Nevada. Pacquiao will face WBC/WBA welterweight champion Floyd Mayweather Jr. in a unification bout on May 2, 2015 in Las Vegas. (Photo by Ethan Miller/Getty Images)
