Kevin Aguilar has five losses against five opponents on his MMA record. For a list of Aguilar's best fights, refer to "Best fights of Kevin Aguilar".
On May 15, 2021 Kevin Aguilar faced off against Tucker Lutz in a lightweight bout at age 32. He was coming in with a record of 17-5 (11). Aguilar lost the fight via 3-round unanimous decision.
On June 13, 2020 Kevin Aguilar faced off against Charles Rosa in a lightweight bout at age 31. He was coming in with a record of 17-4 (11), and Rosa was 33 years old and with a record of 12-4 (11). Aguilar lost the fight via 3-round split decision.
On February 23, 2020 Kevin Aguilar faced off against Zubaira Tukhugov in a lightweight bout at age 31. He was coming in with a record of 17-3 (11), and Tukhugov was 29 years old and with a record of 18-4-1 (6). Aguilar lost the fight via 1st-round TKO.
On June 22, 2019 Kevin Aguilar faced off against Dan Ige in a lightweight bout at age 30. He was coming in with a record of 17-2 (11), and Ige was 27 years old and with a record of 11-2 (8). Aguilar lost the fight via 3-round unanimous decision.
On December 6, 2013 Kevin Aguilar fought Leonard Garcia in a featherweight title fight for the Legacy FC Championship title. Aguilar was 25 years old and with a record of 8-1 (7), and Garcia was 34 years old and with a record of 17-11-1 (14). Aguilar lost the fight via 1st-round TKO.