Here is a list of Smith's best fights. For a list of Smith's losses, refer to "James Smith Losses".
On December 12, 1986 James Smith fought Tim Witherspoon in a heavyweight world-title fight for Witherspoon's WBA title. Smith was 33 years old and with a record of 19-5 (14), and Witherspoon was 28 years old and with a record of 25-2 (17). Smith stopped Tim Witherspoon via 1st-round KO and is crowned the new heavyweight world champion.
On May 13, 1984 James Smith faced off against Frank Bruno at age 31. He was coming in with a record of 14-1 (12), and Bruno was 22 years old and with a record of 21-0 (21). Smith stopped Frank Bruno via KO.
On April 4, 1990 James Smith faced off against Mike Weaver in a heavyweight bout at age 37. He was coming in with a record of 24-8-1 (18), and Weaver was 38 years old and with a record of 34-14-1 (24). Smith won the fight via 12-round unanimous decision.
On April 5, 1986 James Smith faced off against Mike Weaver at age 33. He was coming in with a record of 16-5 (13), and Weaver was 34 years old and with a record of 28-11-1 (19). Smith stopped Mike Weaver via TKO.
On April 29, 1985 James Smith faced off against José Ribalta at age 32. He was coming in with a record of 15-3 (12), and Ribalta was 22 years old and with a record of 17-1-1 (12). Smith won the fight via 10-round split decision.