27-year-old American middleweight Chris Dempsey (11-2-0) will replace injured Jared Cannonier and fight Jonathan Wilson (6-1-0) at UFC Fight Night 73.
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Dempsey is coming off a split-decision win over Eddie Gordon at UFC on Fox 15: Machida vs Rockhold.
Wilson has 5 knockout finishes in his six victories.
UFC Fight Night 73 features a light-heavyweight contender main event with #6-ranked Ovince St. Preux (18-6-0) taking on #4-ranked Glover Teixeira (22-4-0).
