Aaron Riley has 14 losses against 13 opponents on his MMA record. For a list of Riley's best fights, refer to "Best fights of Aaron Riley".
On July 27, 2013 Aaron Riley faced off against Justin Salas in a welterweight bout at age 32. He was coming in with a record of 30-14-1 (19), and Salas was 31 years old and with a record of 10-4 (6). Riley lost the fight via 3-round split decision.
On September 24, 2011 Aaron Riley faced off against Tony Ferguson in a welterweight bout at age 30. He was coming in with a record of 30-13-1 (19), and Ferguson was 27 years old and with a record of 11-2 (10). Riley lost the fight via 1st-round TKO.
On November 14, 2009 Aaron Riley faced off against Ross Pearson in a welterweight bout at age 28. He was coming in with a record of 29-12-1 (19), and Pearson was 25 years old and with a record of 9-3 (7). Riley lost the fight via 2nd-round TKO.
On March 7, 2009 Aaron Riley faced off against Shane Nelson in a welterweight bout at age 28. He was coming in with a record of 28-11-1 (19), and Nelson was 24 years old and with a record of 11-3 (4). Riley lost the fight via 1st-round TKO.
On September 20, 2007 Aaron Riley faced off against Ryan Schultz in a welterweight bout at age 26. He was coming in with a record of 25-10-1 (19), and Schultz was 30 years old and with a record of 17-9-1 (13). Riley lost the fight via 3-round unanimous decision.
On December 2, 2006 Aaron Riley faced off against Eddie Alvarez in a welterweight bout at age 25. He was coming in with a record of 25-9-1 (19), and Alvarez was 22 years old and with a record of 8-0 (8). Riley lost the fight via 1st-round KO.
On January 16, 2006 Aaron Riley faced off against Spencer Fisher at age 25. He was coming in with a record of 24-8-1 (18), and Fisher was 29 years old and with a record of 15-1 (14). Riley lost the fight via 1st-round TKO.
On November 14, 2003 Aaron Riley faced off against Sam Morgan at age 22. He was coming in with a record of 20-7-1 (16). Riley lost the fight via 1st-round submission.
On March 8, 2003 Aaron Riley faced off against Chris Lytle at age 22. He was coming in with a record of 18-6-1 (14), and Lytle was 28 years old and with a record of 10-8-5 (9). Riley lost the fight via 1st-round KO.
On May 10, 2002 Aaron Riley faced off against Robbie Lawler at age 21. He was coming in with a record of 17-5-1 (14), and Lawler was 20 years old and with a record of 4-0 (4). Riley lost the fight via 3-round unanimous decision.
On July 14, 2001 Aaron Riley faced off against Yves Edwards at age 20. He was coming in with a record of 16-4-1 (13), and Edwards was 24 years old and with a record of 17-5-1 (16). Riley lost the fight via 3-round unanimous decision.
On October 15, 1999 Aaron Riley faced off against Falaniko Vitale at age 18. He was coming in with a record of 11-3-1 (10), and Vitale was 25 years old and with a record of . Riley lost the fight via 1st-round TKO.
On October 2, 1999 Aaron Riley faced off against Yves Edwards at age 18. He was coming in with a record of 11-2-1 (10), and Edwards was 23 years old and with a record of 7-3 (7). Riley lost the fight via 1-round unanimous decision.
On July 18, 1997 Aaron Riley faced off against Mario Roberto at age 16. He was coming in with a record of 1-1 (1). Riley lost the fight via 2nd-round submission.
