Former UFC fighter, then turned professional boxer Tim Hague has passed away after receiving a brutal knockout loss this past weekend.

Hague, 34, died in a hospital after being knocked out by Adam Braidwood. He was in critical condition all weekend and passed away late Sunday evening.

His opponent, Braidwood, had a professional record of 7-1 with six wins coming via knockout. Before what turned out to be his last fight, Hague was 1-2 as a boxer. Hague left MMA behind with a record of 21-13, eight losses coming via knockout.

Before his fight against Braidwood, Hague had lost via TKO last December in the first round.

Video of the fatal knockout can be watched below.

https://www.youtube.com/watch?v=e578UOCnWEE