Dean Lister has seven losses against seven opponents on his MMA record. For a list of Lister's best fights, refer to "Best fights of Dean Lister".
On December 4, 2009 Dean Lister faced off against Thales Leites in a middleweight bout at age 33. He was coming in with a record of 11-7 (9), and Leites was 28 years old and with a record of 14-3 (10). Lister lost the fight via 3-round unanimous decision.
On December 27, 2008 Dean Lister faced off against Yushin Okami in a middleweight bout at age 32. He was coming in with a record of 11-6 (9), and Okami was 27 years old and with a record of 23-4 (13). Lister lost the fight via 3-round unanimous decision.
On January 25, 2007 Dean Lister faced off against Nate Marquardt in a middleweight bout at age 30. He was coming in with a record of 9-5 (8), and Marquardt was 27 years old and with a record of 24-6-2 (17). Lister lost the fight via 3-round unanimous decision.
On April 23, 2005 Dean Lister faced off against Ricardo Arona in a middleweight bout at age 29. He was coming in with a record of 7-4 (7), and Arona was 26 years old and with a record of 9-2 (3). Lister lost the fight via 3-round unanimous decision.
On July 19, 2004 Dean Lister faced off against Amar Suloev in a light-heavyweight bout at age 28. He was coming in with a record of 6-3 (6), and Suloev was 28 years old and with a record of 17-4 (15). Lister lost the fight via 2-round split decision.
On December 6, 2003 Dean Lister fought Jeremy Horn in a light-heavyweight title fight for Horn's KOTC Championship title. Lister was 27 years old and with a record of 6-2 (6), and Horn was 28 years old and with a record of 65-12-5 (56). Lister lost the fight via 4-round majority decision.
On February 24, 2001 Dean Lister faced off against Jacen Flynn at age 25. He was coming in with a record of 1-1 (1). Lister lost the fight via 3-round split decision.