BBC Sport - Rio Olympics 2016: Usain Bolt wants to be among greats Muhammad Ali & Pele

I want to be among greats Ali and Pele - Bolt

Watch as Usain Bolt tells BBC sports editor Dan Roan that athletics definitely needs him, that he will be difficult to replace and that he wants to be thought of among "the greatest" with Muhammad Ali and Pele.

Watch more Olympic video here.

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