On October 18, 1991, the 30-year-old WBO heavyweight world champion, Ray Mercer (17-0, 12 KOs), faced a 22-year-old Tommy Morrison (28-0, 24 KOs), in a title defense fight.
Mercer came in to the fight on a 17-fight win streak with a 70% KO rate, and was fighting after a gap of 9 months and 7 days. Morrison was on a 28-fight win streak with a 85% KO rate, and fighting after a layoff of 3 months and 21 days.
Ray Mercer stopped Tommy Morrison via TKO in the 5th round of the 12-round world-title fight, and successfully defended his WBO heavyweight title. Mercer improves his record to 18-0 (13 KOs), while Morrison adds a loss to his record at 28-1.
On January 11, 1991, a 29-year-old Ray Mercer (16-0, 11 KOs) got a shot at the WBO heavyweight title held by Francesco Damiani.
Mercer came in to the fight on a 16-fight win streak with a 68% KO rate, and was fighting after a gap of 5 months and 6 days.
Ray Mercer stopped the champion via KO in the 9th round of the 12-round world-title fight, winning the first world title of his career, and is crowned the new WBO heavyweight champion. Mercer improves his record to 17-0 (12 KOs)
On December 10, 1992, a 31-year-old Ray Mercer (19-1, 14 KOs) and Jerry Halstead met in the ring.
Mercer came in to the fight on a 1-fight win streak with a 70% KO rate, and was fighting after a gap of 2 months and 3 days.
Ray Mercer stopped Jerry Halstead via RTD in the 2nd round. Mercer improves his record to 20-1 (15 KOs)
On August 5, 1990, a 29-year-old Ray Mercer (15-0, 11 KOs) and a 24-year-old Bert Cooper (22-5, 19 KOs) met in the ring in a heavyweight bout.
Mercer came in to the fight on a 15-fight win streak with a 73% KO rate, and was fighting after a gap of 2 months and 5 days. Cooper was on a 2-fight win streak with a 70% KO rate, and fighting after a layoff of 5 months and 19 days.
Ray Mercer defeated Bert Cooper via unanimous decision in the 12-round heavyweight fight. Mercer improves his record to 16-0, while Cooper adds a loss to his record at 22-6.
On January 15, 1990, a 28-year-old Ray Mercer (12-0, 9 KOs) and Wesley Watson met in the ring.
Mercer came in to the fight on a 12-fight win streak with a 75% KO rate, and was fighting after a gap of 1 month and 8 days.
Ray Mercer stopped Wesley Watson via TKO in the 5th round. Mercer improves his record to 13-0 (10 KOs)
On December 14, 1996, a 35-year-old Ray Mercer (23-4-1, 16 KOs) and a 38-year-old Tim Witherspoon (45-4, 30 KOs) met in the ring.
Mercer came in to the fight on a 2-fight losing streak with a 57% KO rate, and was fighting after a gap of 7 months and 4 days. Witherspoon was on a 8-fight win streak with a 61% KO rate, and fighting after a layoff of 7 months and 4 days.
Ray Mercer defeated Tim Witherspoon via unanimous decision in the 10-round fight. Mercer improves his record to 24-4-1, while Witherspoon adds a loss to his record at 45-5.
On February 23, 2002, a 40-year-old Ray Mercer (29-4-1, 21 KOs) and Troy Weida met in the ring.
Mercer came in to the fight on a 6-fight win streak with a 61% KO rate, and was fighting after a gap of 4 months and 10 days.
Ray Mercer stopped Troy Weida via TKO in the 1st round. Mercer improves his record to 30-4-1 (22 KOs)
On August 12, 1993, a 32-year-old Ray Mercer (20-2, 15 KOs) and Tony Willis met in the ring.
Mercer came in to the fight on a 1-fight losing streak with a 68% KO rate, and was fighting after a gap of 6 months and 6 days.
Ray Mercer stopped Tony Willis via TKO in the 1st round. Mercer improves his record to 21-2 (16 KOs)
On October 17, 1989, a 28-year-old Ray Mercer (9-0, 8 KOs) and Eddie Richardson met in the ring.
Mercer came in to the fight on a 9-fight win streak with a 88% KO rate, and was fighting after a gap of 28 days.
Ray Mercer stopped Eddie Richardson via TKO in the 1st round. Mercer improves his record to 10-0 (9 KOs)
On September 5, 1989, a 28-year-old Ray Mercer (7-0, 6 KOs) and Dino Homsey met in the ring.
Mercer came in to the fight on a 7-fight win streak with a 85% KO rate, and was fighting after a gap of 21 days.
Ray Mercer stopped Dino Homsey via TKO in the 1st round. Mercer improves his record to 8-0 (7 KOs)