Arnold Allen has three losses against three opponents on his MMA record. For a list of Allen's best fights, refer to "Best fights of Arnold Allen".
On January 20, 2024 Arnold Allen faced off against Movsar Evloev in a featherweight bout at age 29. He was coming in with a record of 19-3 (11), and Evloev was 29 years old and with a record of 17-0 (7). Allen lost the fight via 3-round unanimous decision.
On April 15, 2023 Arnold Allen faced off against Max Holloway in a featherweight bout at age 29. He was coming in with a record of 19-2 (11), and Holloway was 31 years old and with a record of 23-7 (12). Allen lost the fight via 5-round unanimous decision.
On June 7, 2014 Arnold Allen faced off against Marcin Wrzosek in a featherweight bout at age 20. He was coming in with a record of 7-1 (6). Allen lost the fight via 3-round unanimous decision.