Usain Bolt: Olympic superstar to train with Bundesliga giants Borussia Dortmund as he eyes career switch As the world's fastest man, Usain Bolt, trains with Borussia Dortmund to help his ...

Usain Bolt once claimed that if former Manchester ... and Germany including Borussia Dortmund, and was set to join Australian side Central Coast Mariners before turning down a contract after ...