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UFC Fight Night 84: Silva vs. Bisping was a mixed martial arts event held on 27 February 2016 at The O2 Arena in London, England. Michael Bisping was originally expected to face Gegard Mousasi at this event in a non-headliner middleweight bout. However, Mousasi was replaced by former UFC Middleweight Champion Anderson Silva in favor of a main event. Three days later, it was announced that Mousasi would face former title challenger Thales Leites.