At this point there's no point even coming up with a favourite unless you are a book maker and have to. Nadal could rise to somewhere near his B game in which case he's favourite, or he could have a hard time or get injured. Let's see what happens in MC and Madrid first.
How to clarky - work out most or only realistic outcome, claim the opposite
Federer, Djokovic, Delpo fan (also like Nalbandian, Dimitrov, Tsonga)