Here is a list of McDermott's best fights. For a list of McDermott's losses, refer to "Brett McDermott Losses".
On December 6, 2014 Brett McDermott faced off against Oli Thompson in a light-heavyweight bout at age 36. He was coming in with a record of 4-1 (3), and Thompson was 34 years old and with a record of 12-7 (11). McDermott stopped Oli Thompson via KO.
On November 14, 2015 Brett McDermott faced off against Pelu Adetola in a light-heavyweight bout at age 37. He was coming in with a record of 5-2 (4). McDermott stopped Pelu Adetola via TKO.
On May 12, 2017 Brett McDermott fought Ruben Wolf in a heavyweight title fight for the BAMMA World Championship title. McDermott was 38 years old and with a record of 8-5 (7). McDermott stopped Ruben Wolf via 2nd-round TKO and is crowned the new heavyweight world champion.
