Olympic sprinter Yohan Blake believes Usain Bolt will prove people wrong given the right training. 
Jamaican sprint great Usain Bolt has signalled that his hopes of a professional football career are over, saying: "It was fun while it lasted."
Bolt has had several stints in training and on trial at clubs around the world. Most notably, he scored twice in a friendly match for Central Coast Mariners but was unable to agree a contract with the Australian club.
"I don't want to say it wasn't dealt with properly, but I think we went about it, not the way we should and you learn your lesson, you live...