Olympic medalist Roger Black has undergone open heart surgery to solve an issue that arose when he was just 11 . Recent years have seen the 1996 Atlanta 400m runner-up blame nodding off in front of the television and requiring numerous service station coffee stops when on the road on 'becoming an old git’. But Black, 58, discovered in August that he required major surgery, following an annual echocardiogram. The sprinter's success arrived despite suffering from a faulty heart valve that was