Robbie Sims (born November 5, 1959) is an American former professional boxer who competed from 1980 to 1996.
He is the half-brother of former world middleweight champion Marvelous Marvin Hagler.
[1] He KOd an inexperienced Iran Barkley, outpointed Doug DeWitt and rose to prominence as a middleweight contender by a very polemical defeating Roberto Durán in 1986.
Sims lost to Sumbu Kalambay in a shot for the WBA title in 1988 and it was all downhill from there.
Sims was trained by famous Brockton based trainers Pat and Goody Petronelli.