Here is a list of Mercer's best fights. For a list of Mercer's losses, refer to "Ray Mercer Losses".
On December 14, 1996 Ray Mercer faced off against Tim Witherspoon at age 35. He was coming in with a record of 24-4-1 (16), and Witherspoon was 38 years old and with a record of 45-4 (30). Mercer won the fight via 10-round unanimous decision.
On August 5, 1990 Ray Mercer faced off against Bert Cooper in a heavyweight bout at age 29. He was coming in with a record of 16-0 (11), and Cooper was 24 years old and with a record of 22-5 (19). Mercer won the fight via 12-round unanimous decision.
On January 11, 1991 Ray Mercer fought Francesco Damiani in a heavyweight world-title fight for Damiani's WBO title. Mercer was 29 years old and with a record of 17-0 (12), and Damiani was 32 years old and with a record of 27-0 (23). Mercer stopped Francesco Damiani via 9th-round KO and is crowned the new heavyweight world champion.
On October 18, 1991 Ray Mercer met Tommy Morrison in a heavyweight (WBO) world-title defense fight. Mercer was 30 years old and with a record of 18-0 (13), and Morrison was 22 years old and with a record of 28-0 (24). Mercer stopped Tommy Morrison via 5th-round TKO and successfully defended his title.