Miguel Cotto waves to fans as he arrives at the MGM Grand on Tuesday, May 1, 2012, in Las Vegas. Cotto is scheduled to face Floyd Mayweather Jr. in a super welterweight boxing match Saturday. Julie Jacobson / AP
Miguel Cotto answers questions for fans after arriving at the MGM Grand on Tuesday, May 1, 2012, in Las Vegas. Cotto is scheduled to face Floyd Mayweather Jr. in a super welterweight boxing match Saturday. Julie Jacobson / AP
Miguel Cotto poses for a photo after arriving at the MGM Grand on Tuesday, May 1, 2012, in Las Vegas. Cotto is scheduled to face Floyd Mayweather Jr. in a super welterweight boxing bout Saturday. Julie Jacobson / AP
Miguel Cotto arrives at the MGM Grand on Tuesday, May 1, 2012, in Las Vegas. Cotto is scheduled to face Floyd Mayweather Jr. in a super welterweight boxing match on Saturday. Julie Jacobson / AP
Miguel Cotto, in sunglasses, arrives at the MGM Grand on Tuesday, May 1, 2012, in Las Vegas. Cotto is scheduled to fight Floyd Mayweather Jr. in a super welterweight bout Saturday. Julie Jacobson / AP
Floyd Mayweather Jr., center, talks to fans after arriving at the MGM Grand casino and hotel, Tuesday, May 1, 2012, in Las Vegas. Mayweather will fight Miguel Cotto for the WBC super welterweight title on Saturday. Julie Jacobson / AP
Floyd Mayweather Jr., center, talks to fans after arriving at the MGM Grand casino and hotel, Tuesday, May 1, 2012, in Las Vegas. Mayweather will fight Miguel Cotto for the WBC super welterweight title on Saturday. Julie Jacobson / AP
Floyd Mayweather Jr., center, talks back to fans as he signs autographs upon arriving at the MGM Grand casino and hotel, Tuesday, May 1, 2012, in Las Vegas. Mayweather will fight Miguel Cotto for the WBC super welterweight title on Saturday. Julie Jacobson / AP
Floyd Mayweather Jr., center, signs autographs for fans upon arriving at the MGM Grand casino and hotel, Tuesday, May 1, 2012, in Las Vegas. Mayweather will fight Miguel Cotto for the WBC super welterweight title on Saturday. Julie Jacobson / AP
Floyd Mayweather Jr. poses for photos after arriving at the MGM Grand casino and hotel, Tuesday, May 1, 2012, in Las Vegas. Mayweather will fight Miguel Cotto for the WBC super welterweight title on Saturday. Julie Jacobson / AP
Floyd Mayweather Jr. poses for photos after arriving at the MGM Grand hotel and casino, Tuesday, May 1, 2012, in Las Vegas. Mayweather will fight Miguel Cotto for the WBC super welterweight title on Saturday. Julie Jacobson / AP
Mexico's Canelo Alvarez listens to questions through an interpreter while speaking to fans upon arriving at the MGM Grand Hotel and Casino, Tuesday, May 1, 2012, in Las Vegas. Alvarez will fight Shane Mosley on the under card of Saturday's Floyd Mayweather Jr. vs. Miguel Cotto fight. Julie Jacobson / AP
Mexico's Canelo Alvarez signs autographs for fans upon arriving at the MGM Grand Hotel and Casino, Tuesday, May 1, 2012, in Las Vegas. Alvarez will fight Shane Mosley on the under card for Saturday's Floyd Mayweather Jr. vs. Miguel Cotto fight. Julie Jacobson / AP
Boxing fans crowd the lobby of the MGM Grand hotel and casino to catch a glimpse of Floyd Mayweather Jr. as he arrives, Tuesday, May 1, 2012, in Las Vegas. . Mayweather will fight Miguel Cotto for the WBC super welterweight title on Saturday. Julie Jacobson / AP
Boxing fans crowd the lobby of the MGM Grand hotel and casino to get autographs from Floyd Mayweather Jr. as he arrives, Tuesday, May 1, 2012, in Las Vegas. Mayweather will fight Miguel Cotto for the WBC super welterweight title on Saturday. Julie Jacobson / AP