Stann Calls For Mir To Retire: “He Has Absolutely Nothing Left To Prove”

After watching him get knocked out by Mark Hunt in the first round of their UFC Fight Night 85 main event on Saturday night, UFC analyst Brian Stann has seen enough of Frank Mir inside the Octagon -- and he's letting it be known.Stann spoke about his desire to see former UFC Heavyweight Champion Mir hang up the gloves following his latest knockout loss, claiming Mir has "absolutely nothing left to prove in this sport."Stann said, "Frank Mir has absolutely nothing left to prove in this sport. He