Shields turned pro in 1980. After winning 14 out of his first 15 bouts, Shields fought tougher competition and defeated tough journeymen like
Pete Podgorski and contender
Saoul Mamby. Then, in 1984 Shields challenged
Billy Costello for the WBC light welterweight title, but lost a decision. In 1986 he took on
Tsuyoshi Hamada in Japan for the WBC light welterweight title, but lost a split decision. He retired in 1988. ==Trainer==