John Conteh has four losses against three opponents on his boxing record. For a list of Conteh's best fights, refer to "Best fights of John Conteh".
On March 29, 1980 John Conteh fought Matthew Saad Muhammad in a light-heavyweight world-title fight for Muhammad's WBC and The Ring titles. Conteh was 28 years old and with a record of 33-4-1 (23), and Muhammad was 25 years old and with a record of 24-3-2 (16). Conteh lost the fight via 4th-round TKO.
On August 18, 1979 John Conteh fought Matthew Saad Muhammad in a light-heavyweight world-title fight for Muhammad's WBC title. Conteh was 28 years old and with a record of 33-3-1 (23), and Muhammad was 25 years old and with a record of 23-3-2 (16). Conteh lost the fight via 15-round unanimous decision.
On June 17, 1978 John Conteh fought Mate Parlov in a light-heavyweight world-title fight for Parlov's WBC title. Conteh was 27 years old and with a record of 31-2 (22). Conteh lost the fight via 15-round split decision.
On September 26, 1972 John Conteh faced off against Eddie Duncan at age 21. He was coming in with a record of 11-1 (10). Conteh lost the fight via 10-round points decision.