Floyd Mayweather Jr. Vs. Canelo Alvarez - The Media Spectacle

Floyd Mayweather, left, poses in a face-off with Saul "Canelo" Alvarez during a boxing news conference on Monday, June 24, 2013, at New York's Times Square. MayWeather and Alvarez kicked-off an 11-city promotional, making their fight in Las Vegas in September official. The undefeated fighters announced on Twitter last month that they would face each other at the MGM Grand on Sept. 14. (AP Photo/Bebeto Matthews) (AP2013)

Fans react to the arrival of Floyd Mayweather, the undefeated eight-time and five division world boxing champion, and Saul "Canelo" Alvarez, undefeated super welterweight champion from Mexico, for a press conference on Monday, June 24, 2013 in Times Square, N.Y. Mayweather and Alvarez kicked-off an 11-city promotional tour in Times Square, making their fight in Las Vegas in September official. (AP Photo/Bebeto Matthews)

Boxer Saul "Canelo" Alvarez, from Mexico, attends a boxing news conference with Floyd Mayweather on Monday, June 24, 2013, at New York's Times Square. Mayweather and Alvarez kicked-off an 11-city promotional, making their fight in Las Vegas in September official. The undefeated fighters announced on Twitter last month that they would face each other at the MGM Grand on Sept. 14. (AP Photo/Bebeto Matthews)

Boxer Saul "Canelo" Alvarez, from Mexico, signs autographs after a boxing news conference with Floyd Mayweather on Monday, June 24, 2013, at New York's Times Square. Mayweather and Alvarez kicked-off an 11-city promotional, making their fight in Las Vegas in September official. The undefeated fighters announced on Twitter last month that they would face each other at the MGM Grand on Sept. 14. (AP Photo/Bebeto Matthews) (THE ASSOCIATED PRESS2013)

Boxer Floyd Mayweather walks a red carpet as he arrives for a boxing news conference with Saul "Canelo" Alvarez, from Mexico, on Monday, June 24, 2013, at New York's Times Square. Mayweather and Alvarez kicked-off an 11-city promotional, making their fight in Las Vegas in September official. The undefeated fighters announced on Twitter last month that they would face each other at the MGM Grand on Sept. 14. (AP Photo/Bebeto Matthews) (AP2013)

Boxer Saul "Canelo" Alvarez, from Mexico, walks a red carpet as he arrives for a boxing news conference with Floyd Mayweather on Monday, June 24, 2013, at New York's Times Square. MayWeather and Alvarez kicked-off an 11-city promotional, making their fight in Las Vegas in September official. The undefeated fighters announced on Twitter last month that they would face each other at the MGM Grand on Sept. 14. (AP Photo/Bebeto Matthews) (AP2013)