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LAS VEGAS, NV - JULY 11: Rory MacDonald is inspected by medical staff during his UFC welterweight title fight during the UFC 189 event inside MGM Grand Garden Arena on July 11, 2015 in Las Vegas, Nevada. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)

LAS VEGAS, NV - JULY 11:  Rory MacDonald is inspected by medical staff during his UFC welterweight title fight during the UFC 189 event inside MGM Grand Garden Arena on July 11, 2015 in Las Vegas, Nevada.  (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)