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The cast of Ghostbusters 3? Nope, it's UFC cosmonauts Michael Bisping, Brian Stann, Demetrious...

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The cast of Ghostbusters 3? Nope, it's UFC cosmonauts Michael Bisping, Brian Stann, Demetrious Johnson and Tiki Ghosn, who suffocated their sacks on the tippy-top of the CN Building in Toronto, Ontario, Canada, hyping the promotion's upcoming UFC 152 pay-per-view event on Sept. 22, 2012 at the Air Canada Centre. Don't look down! See more of their mile-high hijinks at Ghosn's Twitter by clicking here.