Julio César Chávez Jr. vs. Sergio Martínez was a professional boxing match contested on September 15, 2012, for the WBC and The Ring Middleweight championship.
Kelly Pavlik
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Kelly Robert Pavlik is an American former professional boxer who competed from 2000 to 2012. He won the unified WBC, WBO, Ring magazine and lineal middleweight titles by defeating Jermain Taylor in 20
