Featherweight Mark (The Machine) HominickJ.P. MOCZULSKI/The Canadian Press
Canadian featherweight Mark (The Machine) Hominick is retiring at the age of 30.
The veteran mixed martial arts fighter made the announcement on the "UFC Tonight" TV show.
Hominick (20-12) has lost his last four fights, a run that start with a loss to champion Jose Aldo at UFC 129 in April 2011 in Toronto.
Hominick rallied in the fifth round against Aldo for a thrilling finale but lost the decision.
Hominick's pro career dates back to 2002. He fought in both the UFC and WEC.