Michael Nunn has four losses against four opponents on his boxing record. For a list of Nunn's best fights, refer to "Best fights of Michael Nunn".
On March 21, 1998 Michael Nunn fought Graciano Rocchigiani in a light-heavyweight world-title fight for the WBC title. Nunn was 34 years old and with a record of 52-4 (34), and Rocchigiani was 34 years old and with a record of 39-4-1 (19). Nunn lost the fight via 12-round split decision.
On December 17, 1994 Michael Nunn fought Frankie Liles in a super-middleweight world-title fight for Liles' WBA title. Nunn was 31 years old and with a record of 43-3 (28), and Liles was 29 years old and with a record of 25-1 (16). Nunn lost the fight via 12-round unanimous decision.
On February 26, 1994 Michael Nunn met Steve Little in a super-middleweight (WBA) world-title defense fight. Nunn was 30 years old and with a record of 42-2 (27), and Little was 28 years old and with a record of 21-13-2 (5). Nunn lost the fight via 12-round split decision and lost the title.
On May 10, 1991 Michael Nunn met James Toney in a middleweight (IBF) world-title defense fight. Nunn was 28 years old and with a record of 36-1 (24), and Toney was 22 years old and with a record of 25-0-1 (18). Nunn lost the fight via 11th-round TKO and lost the title.