American "Sugar" Shane Mosley (R) fights with Antonio Margarito of Mexico before defeating him with a technical knockout win in the World Boxing Association welterweight title at the Staples Center in Los Angeles on January 24, 2009.  Mosley, at 37 some seven years older than Margarito claimed the Mexican's World Boxing Association welterweight world title after winning the bout in the ninth round.    AFP PHOTO/Mark RALSTON (Photo credit should read MARK RALSTON/AFP via Getty Images)