Here is a list of Allen's best fights. For a list of Allen's losses, refer to "Brendan Allen Losses".
On February 29, 2020 Brendan Allen faced off against Tom Breese in a middleweight bout at age 24. He was coming in with a record of 14-3 (13), and Breese was 28 years old and with a record of 11-1 (10). Allen stopped Tom Breese via TKO.
On June 24, 2023 Brendan Allen faced off against Bruno Silva in a middleweight bout at age 27. He was coming in with a record of 22-5 (18), and Silva was 33 years old and with a record of 23-8 (20). Allen stopped Bruno Silva via submission.
On February 5, 2022 Brendan Allen faced off against Sam Alvey in a light-heavyweight bout at age 26. He was coming in with a record of 18-5 (15), and Alvey was 35 years old and with a record of 33-16-1 (22). Allen stopped Sam Alvey via submission.
On April 24, 2021 Brendan Allen faced off against Karl Roberson in a middleweight bout at age 25. He was coming in with a record of 16-4 (14), and Roberson was 30 years old and with a record of 9-3 (6). Allen stopped Karl Roberson via submission.
On October 1, 2022 Brendan Allen faced off against Krzysztof Jotko in a middleweight bout at age 26. He was coming in with a record of 20-5 (16), and Jotko was 33 years old and with a record of 24-5 (7). Allen stopped Krzysztof Jotko via submission.
On February 25, 2023 Brendan Allen faced off against André Muniz in a middleweight bout at age 27. He was coming in with a record of 21-5 (17), and Muniz was 33 years old and with a record of 23-4 (18). Allen stopped André Muniz via submission.
On July 24, 2021 Brendan Allen faced off against Punahele Soriano in a middleweight bout at age 25. He was coming in with a record of 17-4 (14), and Soriano was 28 years old and with a record of 8-0 (7). Allen won the fight via 3-round unanimous decision.
On October 18, 2019 Brendan Allen faced off against Kevin Holland in a middleweight bout at age 23. He was coming in with a record of 13-3 (12), and Holland was 26 years old and with a record of 16-4 (13). Allen stopped Kevin Holland via submission.
On June 27, 2020 Brendan Allen faced off against Kyle Daukaus in a middleweight bout at age 24. He was coming in with a record of 15-3 (13), and Daukaus was 27 years old and with a record of 9-0 (7). Allen won the fight via 3-round unanimous decision.
On October 18, 2025 Brendan Allen faced off against Reinier de Ridder in a middleweight bout at age 29. He was coming in with a record of 26-7 (20), and Ridder was 35 years old and with a record of 21-2 (16). Allen stopped Reinier de Ridder via TKO.
