Jason Brilz has six losses against six opponents on his MMA record. For a list of Brilz's best fights, refer to "Best fights of Jason Brilz".
On September 26, 2014 Jason Brilz fought Vinny Magalhães in a light-heavyweight title fight for Magalhães' Titan FC Championship title. Brilz was 39 years old and with a record of 22-6-1 (15), and Magalhães was 30 years old and with a record of 11-7 (11). Brilz lost the fight via 4th-round submission.
On November 19, 2011 Jason Brilz faced off against Ryan Bader in a light-heavyweight bout at age 36. He was coming in with a record of 18-5-1 (14), and Bader was 28 years old and with a record of 12-2 (8). Brilz lost the fight via 1st-round KO.
On April 30, 2011 Jason Brilz faced off against Vladimir Matyushenko in a light-heavyweight bout at age 35. He was coming in with a record of 18-4-1 (14), and Matyushenko was 40 years old and with a record of 25-5 (15). Brilz lost the fight via 1st-round KO.
On May 29, 2010 Jason Brilz faced off against Antônio Rogério Nogueira in a light-heavyweight bout at age 34. He was coming in with a record of 18-3-1 (14), and Nogueira was 33 years old and with a record of 18-3 (10). Brilz lost the fight via 3-round split decision.
On September 19, 2009 Jason Brilz faced off against Eliot Marshall in a light-heavyweight bout at age 34. He was coming in with a record of 17-2-1 (14), and Marshall was 29 years old and with a record of 6-1 (5). Brilz lost the fight via 3-round split decision.
On September 9, 2001 Jason Brilz faced off against Vince Fields at age 26. He was coming in with a record of 5-1 (5). Brilz lost the fight via 1st-round submission.
