10 WWE Superstars Who Must Retire In 2015


9. Brock Lesnar



WWE Network


WWE's choice to put the World Heavyweight Championship on Brock Lesnar was unquestionably a fascinating one, yet it's one that might not have paid off either inventively or monetarily. Lesnar hasn't been seen following September's Night of Champions pay-per-perspective, and WWE continued ticking along without him..