Doug Marshall has eight losses against eight opponents on his MMA record. For a list of Marshall's best fights, refer to "Best fights of Doug Marshall".
On September 19, 2014 Doug Marshall faced off against Melvin Manhoef in a middleweight bout at age 37. He was coming in with a record of 18-8 (16), and Manhoef was 38 years old and with a record of 28-11-1 (26). Marshall lost the fight via 1st-round KO.
On November 22, 2013 Doug Marshall fought Alexander Shlemenko in a middleweight title fight for Shlemenko's Bellator Championship title. Marshall was 36 years old and with a record of 18-7 (16), and Shlemenko was 29 years old and with a record of 49-7 (36). Marshall lost the fight via 1st-round TKO.
On May 6, 2012 Doug Marshall faced off against Zelg Galesic in a middleweight bout at age 35. He was coming in with a record of 14-6 (13), and Galesic was 33 years old and with a record of 10-6 (10). Marshall lost the fight via 1st-round KO.
On August 5, 2011 Doug Marshall faced off against Givanildo Santana in a middleweight bout at age 34. He was coming in with a record of 13-5 (12). Marshall lost the fight via 1st-round choke-out.
On September 13, 2010 Doug Marshall faced off against Kyacey Uscola in a middleweight bout at age 33. He was coming in with a record of 13-4 (12). Marshall lost the fight via 1st-round KO.
On March 26, 2008 Doug Marshall met Brian Stann in a light-heavyweight (WEC Championship) title defense fight. Marshall was 31 years old and with a record of 8-3 (8), and Stann was 27 years old and with a record of 5-0 (5). Marshall lost the fight via 1st-round TKO and lost the title.
On March 17, 2006 Doug Marshall faced off against Tim McKenzie in a light-heavyweight bout at age 29. He was coming in with a record of 4-2 (4), and McKenzie was 23 years old and with a record of 8-3 (7). Marshall lost the fight via 1st-round TKO.
On May 19, 2005 Doug Marshall fought James Irvin in a heavyweight title fight for Irvin's WEC Championship title. Marshall was 28 years old and with a record of 4-1 (4), and Irvin was 26 years old and with a record of 7-1 (7). Marshall lost the fight via 2nd-round KO.