Welcome to your weekly dose of oops, ouch, and what were they thinking?! From gravity-defying faceplants to stunts gone wrong, this week's finest fails are here to remind you that we all have those ...

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Khamzat Chimaev missed weight by seven and a half pounds at UFC 279. | Photo: Chris Unger/Zuffa LLC/Getty Failed weight cuts litter mixed martial arts history, but none proved any more costly than the ...