According to a report by MMA Opinion, Mitch Gagnon has suffered an injury and will not make his scheduled appearance vs. Issei Tamura at UFC 158: St-Pierre vs. Diaz.
The card takes place March 16 from the Bell Centre, giving UFC officials plenty of time to fight a new opponent for Tamura. The bout was expected to be part of the Facebook prelims.
Tamura (7-3) has split his two previous UFC fights, defeating Tiequan Zhang and falling to Raphael Assuncao. No further information on Gagnon (9-2) has been released.