Originally written on Fox Sports  |  Last updated 9/19/14

INDIANAPOLIS - JULY 20: Shane Mosley exchanges jabs with Vernon Forrest during their WBC welterweight championship fight on July 20, 2002 at the Conseco Fieldhouse arena in Indianapolis, Indiana. (Photo by Brian Bahr/Getty Images)
Boxer ''Sugar'' Shane Mosley is retiring, ending a career in which he won titles in three different weight classes, beat Oscar De La Hoya twice and never was knocked out. The 40-year-old announced on Twitter that he was hanging up his gloves, saying he ''loved every moment of it. Win, lose or draw.'' Mosley lost three of his last four fights, including a dreary bout against Manny Pacquiao in May 2011 in which he mostly seemed to be avoiding the Filipino star in the ring. His last fight was May 5 on the undercard of the fight between Floyd Mayweather and Miguel Cotto. Mosley lost a lopsided decision to rising Mexican star Canelo Alvarez. The loss dropped his record to 46-8-1. Mosley began boxing at age 8 and wound up winning three U.S. Amateur titles and a bronze medal at the 1990 Goodwill Games. His professional career peaked when he won the WBC welterweight title by beating De La Hoya in 2000 before besting the popular fighter again in 2003 to claim the light middleweight tit...
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