Career
Shields had a stellar amateur career. Shields turned pro in 1980 and ultimately had little success. In 1984 he 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. After his boxing career, Shields has become a prominent trainer in the sport. He works out of the Plex Boxing Gym in Stafford, Texas.
Among the fighters he has worked with are: Mike Tyson Evander Holyfield David Tua Pernell Whitaker Vernon Forrest Arturo Gatti Guillermo Rigondeaux Juan Díaz Kassim Ouma Egerton Marcus Dominick Guinn Raúl Márquez Jesse James Leija Jesús Chávez Kermit Cintron Vanes Martirosyan Romallis Ellis Tomasz Adamek Chris Arreola His current stable includes: Artur Szpilka Erislandy Lara Jermall Charlo Jermell Charlo Brian Vera Edwin Rodríguez Mike Lee Steve Lovett.
