1 July 2011 Last updated at 11:54

David Haye must knockout Klitschko - George Foreman

Boxing legend George Foreman feels Wladimir Klitschko is "too good a boxer for his time" but says David Haye can beat him if he mixes it up and fights Klitschko rather than boxes him.

Full commentary on Haye v Klitschoko on BBC radio 5 live from 2145 BST, Saturday July 2.