Pesaje para Mayweather v. Maidana

  • (L-R) WBA/IBF light heavyweight champion Bernard Hopkins looks on as WBC welterweight champion Floyd Mayweather Jr. and WBA champion Marcos Maidana pose during their official weigh-in at the MGM Grand Garden Arena on May 2, 2014 in Las Vegas, Nevada. Mayweather and Maidana will meet in a WBC/WBA unification fight in Las Vegas on May 3. Ethan Miller / Getty Images

  • WBC welterweight champion Floyd Mayweather Jr. (L) and WBA champion Marcos Maidana pose during their official weigh-in at the MGM Grand Garden Arena on May 2, 2014 in Las Vegas, Nevada. The two will meet in a WBC/WBA unification fight in Las Vegas on May 3. Ethan Miller / Getty Images

  • WBC welterweight champion Floyd Mayweather Jr. (L) and WBA champion Marcos Maidana face off during their official weigh-in at the MGM Grand Garden Arena on May 2, 2014 in Las Vegas, Nevada. The two will meet in a WBC/WBA unification fight in Las Vegas on May 3. Ethan Miller / Getty Images

  • Floyd Mayweather Jr. poses with Marcos Maidana during the official weigh-in at the MGM Grand Hotel in Las Vegas, Friday, May 2, 2014. Mayweather is to face Maidana in a welterweight title fight on Saturday. Chris Carlson / AP

  • WBC welterweight champion Floyd Mayweather Jr. (L) and WBA champion Marcos Maidana face off during their official weigh-in at the MGM Grand Garden Arena on May 2, 2014 in Las Vegas, Nevada. The two will meet in a WBC/WBA unification fight in Las Vegas on May 3. Ethan Miller / Getty Images

  • WBC welterweight champion Floyd Mayweather Jr. poses on the scale during his official weigh-in at the MGM Grand Garden Arena on May 2, 2014 in Las Vegas, Nevada. Mayweather will meet WBA champion Marcos Maidana in a WBC/WBA unification fight in Las Vegas on May 3. Ethan Miller / Getty Images

  • Floyd Mayweather Jr. poses on the scales during the official weigh-in at the MGM Grand Hotel in Las Vegas, Friday, May 2, 2014. Mayweather is to face Marcos Maidana in a welterweight title fight on Saturday. Chris Carlson / AP

  • Marcos Maidana poses on the scales during the official weigh-in at the MGM Grand Hotel in Las Vegas, Friday, May 2, 2014. Maidana is to face Floyd Mayweather Jr. in a welterweight title fight on Saturday. Chris Carlson / AP

  • WBA welterweight champion Marcos Maidana poses on the scale during his official weigh-in at the MGM Grand Garden Arena on May 2, 2014 in Las Vegas, Nevada. Maidana will meet WBC champion Floyd Mayweather Jr. in a WBC/WBA unification fight in Las Vegas on May 3. Ethan Miller / Getty Images