On October 26, 1993, a 33-year-old Robbie Sims (37-9-2, 26 KOs) and a 30-year-old Vinny Pazienza (34-5, 26 KOs) met in the ring.
Sims came in to the fight on a 5-fight win streak with a 54% KO rate, and was fighting after a gap of 6 months and 10 days. Paz was on a 5-fight win streak with a 66% KO rate, and fighting after a layoff of 4 months.
Vinny Paz defeated Robbie Sims via unanimous decision in the 10-round fight. Paz improves his record to 35-5, while Sims adds a loss to his record at 37-10-2.
On April 3, 1991, a 31-year-old Robbie Sims (32-8-2, 22 KOs) and a 27-year-old British boxer Nigel Benn (27-2, 25 KOs) met in the ring.
Sims came in to the fight on a 1-fight win streak with a 52% KO rate, and was fighting after a gap of 4 months and 10 days. Benn was on a -1-fight win streak with a 86% KO rate, and fighting after a layoff of 4 months and 16 days.
Nigel Benn stopped Robbie Sims via TKO in the 7th round. Benn improves his record to 28-2 (26 KOs), while Sims adds a loss to his record at 32-9-2.
On June 26, 1990, a 30-year-old Robbie Sims (31-7-2, 22 KOs) and Ron Essett met in the ring.
Sims came in to the fight on a 2-fight win streak with a 55% KO rate, and was fighting after a gap of 2 months and 13 days.
Robbie Sims lost to Ron Essett via majority decision in the 10-round fight, and adds a loss to his record at 31-8-2.
On September 12, 1989, a 29-year-old Robbie Sims (29-6-2, 21 KOs) and Dennis Milton met in the ring.
Sims came in to the fight on a 2-fight losing streak with a 56% KO rate, and was fighting after a gap of 4 months and 25 days.
Robbie Sims lost to Dennis Milton via unanimous decision in the 10-round fight, and adds a loss to his record at 29-7-2.
On April 18, 1989, Robbie Sims and Doug DeWitt met again in a rematch.
Sims came in to the fight on a 1-fight losing streak with a 58% KO rate, and was fighting after a gap of 10 months and 6 days. DeWitt was on a -1-fight win streak with a 45% KO rate, and fighting after a layoff of 5 months and 10 days.
Doug DeWitt defeated Robbie Sims via split decision in the rematch and wins the WBO title — in his first world-title fight. DeWitt improves his record to 31-6-4, while Sims adds a loss to his record at 29-6-2.
On June 12, 1988, a 28-year-old Robbie Sims (29-4-2, 21 KOs) and a 32-year-old Italian boxer Sumbu Kalambay (44-3-1, 25 KOs) met in the ring.
Sims came in to the fight on a 2-fight win streak with a 60% KO rate, and was fighting after a gap of 2 months and 25 days. Kalambay was on a 7-fight win streak with a 52% KO rate, and fighting after a layoff of 3 months and 7 days.
Sumbu Kalambay defeated Robbie Sims via unanimous decision in the 12-round middleweight fight. Kalambay improves his record to 45-3-1, while Sims adds a loss to his record at 29-5-2.
On November 1, 1984, a 24-year-old Robbie Sims (22-3-1, 16 KOs) and Mike Tinley met in the ring for the 2nd time,.
Sims came in to the fight on a 6-fight win streak with a 61% KO rate, and was fighting after a gap of 3 months and 6 days.
Robbie Sims lost to Mike Tinley via unanimous decision in the 10-round fight, and adds a loss to his record at 22-4-1.
On August 3, 1983, a 23-year-old Robbie Sims (16-2-1, 13 KOs) and Mike Tinley met in the ring.
Sims came in to the fight on a 1-fight win streak with a 68% KO rate, and was fighting after a gap of 4 months and 11 days.
Robbie Sims lost to Mike Tinley via split decision in the 10-round fight, and adds a loss to his record at 16-3-1.
On October 16, 1982, a 22-year-old Robbie Sims (15-1, 12 KOs) and Clint Jackson met in the ring.
Sims came in to the fight on a 3-fight win streak with a 75% KO rate, and was fighting after a gap of 1 month and 26 days.
Robbie Sims lost to Clint Jackson via split decision in the 10-round fight, and adds a loss to his record at 15-2.
On January 17, 1982, a 22-year-old Robbie Sims (12-0, 9 KOs) and a 19-year-old Bobby Czyz (16-0, 12 KOs) met in the ring.
Sims came in to the fight on a 12-fight win streak with a 75% KO rate, and was fighting after a gap of 25 days. Czyz was on a 16-fight win streak with a 75% KO rate, and fighting after a layoff of 2 months and 5 days.
Bobby Czyz defeated Robbie Sims via unanimous decision in the 10-round fight. Czyz improves his record to 17-0, while Sims adds a loss to his record at 12-1.