Longtime UFC veteran and UFC Ultimate Fighter alumni Chris Leben has had his contract rescinded by Bellator MMA after medical tests showed he has a heart condition. Leben was tested by a pair of doctors, with both stating that Leben’s heart condition could prove to be fatal, he is currently undergoing treatment for the heart condition. Leben would have been returning to action after a self imposed retirement following a four fight losing streak, he had only won just one bout in the last five years.