Mirko Cro Cop is contemplating hangIng them up for good after a new injury sidelined him from UFC Fight Night: Seoul. Cro Cop announced the injury and retirement Monday evening on his Facebook page. (Roughly translated) "I tried to save my shoulder injury and repair in all possible ways. Daily therapies, injections of blood plasma … Continue reading ***BREAKING*** Mirko Cro Cop injured. Possibly Retiring.