Jason Miller has 10 losses against 10 opponents on his MMA record. For a list of Miller's best fights, refer to "Best fights of Jason Miller".
On May 21, 2016 Jason Miller faced off against Mattia Schiavolin in a light-heavyweight bout at age 35. He was coming in with a record of 23-10 (18). Miller lost the fight via 2nd-round submission.
On May 26, 2012 Jason Miller faced off against C.B. Dollaway in a middleweight bout at age 31. He was coming in with a record of 23-9 (18), and Dollaway was 28 years old and with a record of 11-4 (8). Miller lost the fight via 3-round unanimous decision.
On December 3, 2011 Jason Miller faced off against Michael Bisping in a middleweight bout at age 30. He was coming in with a record of 23-8 (18), and Bisping was 32 years old and with a record of 21-3 (17). Miller lost the fight via 3rd-round TKO.
On November 7, 2009 Jason Miller fought Jake Shields in a middleweight title fight for the Strikeforce Championship title. Miller was 28 years old and with a record of 21-7 (16), and Shields was 30 years old and with a record of 23-4-1 (13). Miller lost the fight via 5-round unanimous decision.
On June 15, 2008 Jason Miller faced off against Ronaldo Souza in a middleweight bout at age 27. He was coming in with a record of 20-6 (15), and Souza was 28 years old and with a record of 8-1 (7). Miller lost the fight via 2-round unanimous decision.
On December 1, 2006 Jason Miller faced off against Frank Trigg in a middleweight bout at age 25. He was coming in with a record of 16-5 (13), and Trigg was 34 years old and with a record of 13-5 (12). Miller lost the fight via 2nd-round TKO.
On April 16, 2005 Jason Miller faced off against Georges St-Pierre in a welterweight bout at age 24. He was coming in with a record of 11-4 (8), and St-Pierre was 23 years old and with a record of 8-1 (7). Miller lost the fight via 3-round unanimous decision.
On February 23, 2003 Jason Miller faced off against Tim Kennedy in a middleweight bout at age 22. He was coming in with a record of 6-3 (5), and Kennedy was 23 years old and with a record of 3-1 (3). Miller lost the fight via 3-round unanimous decision.
On August 16, 2002 Jason Miller faced off against Todd Carney in a middleweight bout at age 21. He was coming in with a record of 4-2 (3). Miller lost the fight via 1st-round submission.
On March 30, 2002 Jason Miller faced off against Chael Sonnen in a middleweight bout at age 21. He was coming in with a record of 2-1 (2), and Sonnen was 24 years old and with a record of 1-0 (0). Miller lost the fight via 2-round unanimous decision.
