Jeremy Wariner v LaShawn Merritt: The 100 metres might be the 'blue riband' event but the 400m is a purists dream and the battle between Wariner, the reigning Olympic champion, and his American compatriot promises to be a real classic.
Merritt has been the first runner for a long time to challenge Wariner's superiority beating him twice though the 24-year-old has hit back of late to give himself a slight edge.
Adding extra spice to the battle is that Wariner has split from legendary coach Dudley Hart, who now coaches ....Merritt.
On the other side sits Wariner's mentor and former Hart athlete, a certain Michael Johnson.
TENNIS
Roger Federer v Rafael Nadal: Federer's crown has been usurped by the muscular Spaniard after more than four years at the top notably in their epic Wimbledon final.
No matter what happens in Beijing, Nadal will be the new world No.
1 in the ATP rankings to be released after the Games.
All the more reason for the S