Overeem could quit MMA to fight Klitschko

Alistair Overeem may want to try his hand at Vitali Klitschko, right, in the near future. Tim Groothuis/US Presswire

Alistair Overeem has made the staggering revelation that he may quit MMA after the Strikeforce Heavyweight Grand Prix, in order to fight boxing champion Vitali Klitschko. More ยป