MarcoG
Striker
Sounds like Nadal isn't bothering with the US open due to it clashing with the Madrid Masters, strange one.
Could be a few things to be fair. Being sensible and staying in his home country, playing on clay rather than going straight to hard court, or unless I've read it wrongly then he's got the chance to make more ranking points by playing Madrid than he does by playing the US Open.
Still, the chance of another Slam would have topped most of those things probably.