Tyson Bolt had his ban reduced after helping authorities . Usain Gay says he is not looking forward to competing against Bolt . Gay says he feels 'let down ' by someone he used to respect . Bolt is the joint-second fastest man of all time , behind Gay .
Tyson Gay had his ban reduced after helping authorities . Usain Bolt says he is not looking forward to competing against Gay . Bolt says he feels 'let down ' by someone he used to respect . Gay is the joint-second fastest man of all time , behind Bolt .