Here is a list of Marrero's best fights. For a list of Marrero's losses, refer to "Carmelo Marrero Losses".
On October 14, 2006 Carmelo Marrero faced off against Cheick Kongo in a heavyweight bout at age 25. He was coming in with a record of 6-0 (3), and Kongo was 31 years old and with a record of 9-2-1 (8). Marrero won the fight via 3-round split decision.
On November 5, 2008 Carmelo Marrero faced off against Steve Steinbeiss in a light-heavyweight bout at age 27. He was coming in with a record of 10-2 (6). Marrero won the fight via 3-round split decision.
On March 4, 2006 Carmelo Marrero faced off against Dale Carson at age 25. He was coming in with a record of 4-0 (2). Marrero stopped Dale Carson via submission.
