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Mitch Gagnon has suffered an injury and is out of a UFC 158 fight against Issei Tamura, replacing him will be TJ Dillashaw. Tamura has split both of his fights in the UFC, defeating Tiequan Zhang and suffering a defeat to Raphael Assuncao. Dillashaw has won two of three in UFC competition, last defeating Vaughan Lee by submission at UFC On Fuel TV IV. UFC 158 takes place on March 16th from the Bell Centre in Montreal, Quebec, Canada with Georges St. Pierre and Nick Diaz headlining.
