Brett McDermott (born 10 September 1978) is an English mixed martial artist, and former professional rugby league footballer.
[3] A couple of days later, he later admitted that he had retired after being charged by the Rugby Football League (RFL) for failing a drugs test.
[4] In June 2011, the RFL confirmed that McDermott was banned for two years after testing positive for drostanolone and 19-norandrosterone.
[6] In 2013, he turned professional and fought Thomas Denham at BAMMA 12, but lost by submission.
[7] McDermott stepped in on a few days notice as a replacement for Vladimir Filipovic to face Liam McGeary in the main event at Bellator 173.