LAS VEGAS, NV - OCTOBER 29: (L-R) Mirko Cro Cop punches Roy Nelson during the UFC 137 event at the Mandalay Bay Events Center on October 29, 2011 in Las Vegas, Nevada. (Photo by Jed Jacobsohn/Zuffa LLC/Zuffa LLC via Getty Images)
LAS VEGAS, NV - OCTOBER 29: (L-R) Mirko Cro Cop punches Roy Nelson during the UFC 137 event at the Mandalay Bay Events Center on October 29, 2011 in Las Vegas, Nevada. (Photo by Jed Jacobsohn/Zuffa LLC/Zuffa LLC via Getty Images)