Cancun, Mexico - WBC middleweight champion Julio Cesar Chavez Jr. is already putting in the hard working the gym. Pictured below with IBF super featherweight champion Juan Carlos Salgado, Chavez's knuckles are bruised and swollen from early training work. Chavez defends his title against Irish boxer Andy Lee on June 16th at the Sun Bowl in El Paso, Texas. HBO will televise the bout.