Antonio Margarito is a professional boxer.

The California State Athletic commission has temporarily suspended the boxing license of Antonio Margarito and his trainer, Javier Capetillo. Margarito and Capetillo are being investigated for allegedly putting a plaster like substance on Margarito's hand wraps before his fight against Sugar Shane Mosley on January 24, 2009. According to commission chairman Tim Noonan, The temporary suspension will remain in effect until CSAC has fully investigated the circumstances surrounding events at the Staples Center in Los Angeles on Jan. 24, 2009. ESPn.com: [ http://sports.espn.go.com/sports/boxing/news/story?id=3866679 Margarito, trainer await results of tests] (January 29, 2009)

Antonio Margarito Montiel was born in Torrance, California, on March 18, 1978. He currently resides in Tijuana, Baja California, Mexico.BOX Rec.com: Antonio Margarito

Margarito made his professional boxing debut on January 14, 1994, with a victory over Jose Trujillo. In 2002, he defeated Antonio Diaz to become the WBO Welterweight champion. He successfully defended his title for several years, before losing to Paul Williams in a close 12 round decision in 2007.ESPN.com: Williams Upsets Margarito for WBO Belt On April 12, 2008, Margarito defeated Alex Cintron to win the IBF Welterweight title.BOX Rec.com: Antonio Margarito In 2008, Margarito defeated Miguel Cotto by TKO in the 11th round.ESPN.com: Margarito stops Cotto in 11th, wins welterweight belt

He is the former WBA welterweight champion and former World Boxing Organization and International Boxing Federation champion.He lost his WBA title to Shane Mosley on January 24, 2009, by TKO.ESPN.com: Mosley shines through distractions (January 25, 2009)He vacated his IBF title in order to fight Miguel Cotto for the World Boxing Association welterweight title on July 26, 2008.BOXNews.com.ua: Miguel Cotto, Antonio Margarito Predict knockouts and pain He defeated Cotto by TKO in the 11th round.ESPN.com: Margarito stops Cotto in 11th, wins welterweight belt

• March 18, 1978: Born
• 2002: Defeats Antonio Diaz for WBO Welterweight title
• 2007: Loses WBO Title to Paul Williams
• 2008: Defeats Alex Cintron for IBF Title
• 2008: Defeats Miguel Cotto for WBA Title