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 an 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.