Donny Lalonde has five losses against five opponents on his boxing record. For a list of Lalonde's best fights, refer to "Best fights of Donny Lalonde".
On July 5, 2003 Donny Lalonde faced off against Virgil Hill at age 43. He was coming in with a record of 41-5-1 (33), and Hill was 39 years old and with a record of 48-4 (23). Lalonde lost the fight via 10-round unanimous decision.
On May 8, 1992 Donny Lalonde fought Bobby Czyz in a cruiserweight world-title fight for Czyz' WBA title. Lalonde was 32 years old and with a record of 35-4 (30), and Czyz was 30 years old and with a record of 39-5 (26). Lalonde lost the fight via 12-round unanimous decision.
On November 7, 1988 Donny Lalonde met Sugar Ray Leonard in a light-heavyweight (WBC) world-title defense fight. Lalonde was 28 years old and with a record of 31-3 (26), and Leonard was 32 years old and with a record of 34-1 (24). Lalonde lost the fight via 9th-round TKO and lost the title.
On May 16, 1985 Donny Lalonde faced off against Willie Edwards in a light-heavyweight bout at age 25. He was coming in with a record of 19-2 (16). Lalonde lost the fight via 9th-round TKO.
On March 6, 1981 Donny Lalonde faced off against Wilbert Johnson at age 20. He was coming in with a record of 4-1 (3). Lalonde lost the fight via 6-round unanimous decision.