On December 13, 1983, a 31-year-old Marvin Camel (42-5-2, 20 KOs) got a shot at the IBF cruiserweight title held by Roddy MacDonald.
Camel came in to the fight on a 1-fight win streak with a 40% KO rate, and was fighting after a gap of 6 months and 22 days.
Marvin Camel stopped the champion via TKO in the 5th round of the 12-round world-title fight, and is crowned the new IBF cruiserweight champion. Camel improves his record to 43-5-2 (21 KOs)
On March 31, 1980, Marvin Camel and Mate Parlov met again in an immediate rematch.
Camel came in to the fight after a draw in his last fight with a 41% KO rate, and was fighting after a gap of 3 months and 23 days.
Marvin Camel defeated Mate Parlov via unanimous decision in the rematch and wins the WBC title — in his first world-title fight. Camel improves his record to 36-2-2
On October 23, 1976, a 24-year-old Marvin Camel (16-1, 9 KOs) and a 22-year-old Matthew Saad Muhammad (13-1-1, 8 KOs) met in the ring for the 2nd time,.
Camel came in to the fight on a 2-fight win streak with a 52% KO rate, and was fighting after a gap of 28 days. Muhammad was on a 4-fight win streak with a 53% KO rate, and fighting after a layoff of 1 month and 8 days.
In the rematch, Marvin Camel defeated Matthew Saad Muhammad via majority decision in the 10-round fight. Camel improves his record to 17-1, while Muhammad adds a loss to his record at 13-2-1.
On September 25, 1976, a 24-year-old Marvin Camel (15-1, 9 KOs) and Johnny Townsend met in the ring for the 2nd time,.
Camel came in to the fight on a 1-fight win streak with a 56% KO rate, and was fighting after a gap of 28 days.
In the rematch, Marvin Camel defeated Johnny Townsend via unanimous decision in the 10-round fight. Camel improves his record to 16-1
On May 21, 1983, a 31-year-old Marvin Camel (41-5-2, 19 KOs) and Rocky Sekorski met in the ring.
Camel came in to the fight on a 1-fight losing streak with a 39% KO rate, and was fighting after a gap of 3 months and 10 days.
Marvin Camel stopped Rocky Sekorski via KO in the 9th round. Camel improves his record to 42-5-2 (20 KOs)
On October 6, 1984, the 32-year-old IBF cruiserweight world champion, Marvin Camel (43-5-2, 21 KOs), faced Lee Roy Murphy, in a title defense fight.
Camel came in to the fight on a 2-fight win streak with a 42% KO rate, and was fighting after a gap of 9 months and 23 days.
Marvin Camel was defending his cruiserweight IBF titles against Lee Roy Murphy and lost via TKO in the 14th round, and adds a loss to his record at 43-6-2.
On November 25, 1980, the 28-year-old WBC cruiserweight world champion, Marvin Camel (36-2-2, 16 KOs), faced a 21-year-old Puerto Rican boxer Carlos de León (29-2, 21 KOs), in a title defense fight.
Camel came in to the fight on a 1-fight win streak with a 40% KO rate, and was fighting after a gap of 7 months and 25 days. León was on a 14-fight win streak with a 67% KO rate, and fighting after a layoff of 4 months and 28 days.
Carlos De León defeated Marvin Camel via majority decision and wins the WBC title — in his first world-title fight. León improves his record to 30-2, while Camel adds a loss to his record at 36-3-2.
On December 8, 1979, a 27-year-old Marvin Camel (35-2-1, 16 KOs) got a shot at the cruiserweight WBC title held by Mate Parlov.
Camel came in to the fight on a 15-fight win streak with a 42% KO rate, and was fighting after a gap of 3 months and 8 days.
The fight ended in a points decision draw and both the fighters added a draw to their respective records — Camel is now 35-2-2.
On May 6, 1977, a 25-year-old Marvin Camel (19-1-1, 9 KOs) and Gary Summerhays met in the ring.
Camel came in to the fight after a draw in his last fight with a 42% KO rate, and was fighting after a gap of 2 months and 21 days.
Marvin Camel defeated Gary Summerhays via unanimous decision in the 12-round fight. Camel improves his record to 20-1-1
On February 24, 1982, Marvin Camel and Carlos de León met again in a rematch.
Camel came in to the fight on a 4-fight win streak with a 40% KO rate, and was fighting after a gap of 4 months and 22 days. León was on a 16-fight win streak with a 66% KO rate, and fighting after a layoff of 2 months and 12 days.
In the rematch, Carlos De León stopped Marvin Camel via TKO in the 8th round of the 15-round world-title fight, and successfully defended his WBC cruiserweight title. León improves his record to 32-2 (23 KOs), while Camel adds a loss to his record at 40-4-2.