Isaac Vallie-Flagg has seven losses against seven opponents on his MMA record. For a list of Vallie-Flagg's best fights, refer to "Best fights of Isaac Vallie-Flagg".
On July 18, 2015 Isaac Vallie-Flagg faced off against Jason Witt in a lightweight bout at age 37. He was coming in with a record of 15-7-1 (9), and Witt was 28 years old and with a record of 6-2 (5). Vallie-Flagg lost the fight via 3-round disqualification.
On November 22, 2014 Isaac Vallie-Flagg faced off against Matt Wiman in a lightweight bout at age 36. He was coming in with a record of 14-6-1 (8), and Wiman was 31 years old and with a record of 15-7 (8). Vallie-Flagg lost the fight via 3-round unanimous decision.
On April 26, 2014 Isaac Vallie-Flagg faced off against Takanori Gomi in a lightweight bout at age 36. He was coming in with a record of 14-5-1 (8), and Gomi was 35 years old and with a record of 34-9 (18). Vallie-Flagg lost the fight via 3-round unanimous decision.
On January 15, 2014 Isaac Vallie-Flagg faced off against Elias Silvério in a lightweight bout at age 35. He was coming in with a record of 14-4-1 (8), and Silvério was 27 years old and with a record of 9-0 (4). Vallie-Flagg lost the fight via 3-round unanimous decision.
On July 28, 2007 Isaac Vallie-Flagg faced off against Rudy Bears at age 29. He was coming in with a record of 3-3 (2), and Bears was 28 years old and with a record of . Vallie-Flagg lost the fight via 1st-round submission.
On August 4, 2006 Isaac Vallie-Flagg faced off against Patrick Reeves at age 28. He was coming in with a record of 2-2 (1). Vallie-Flagg lost the fight via 1st-round submission.
On August 3, 2003 Isaac Vallie-Flagg faced off against Ben Schilsler at age 25. He was coming in with a record of 0-1 (0). Vallie-Flagg lost the fight via 1st-round submission.
