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Another heavyweight bout has been added to the UFC On Fox 13 card as Matt Mitrione battles Gabriel Gonzaga. Mitrione has won three of his last four under the UFC banner, most notably defeating Derrick Lewis at UFC Fight Night: Souza vs. Mousasi II. Gonzaga has won two of his last three in his second UFC run, but his last fight was a loss to Stipe Miocic at UFC On Fox X. UFC On Fox 13 takes place on December 13th from the US Airways Arena in Phoenix, Arizona with Junior Dos Santos and Stipe Miocic headlining.
