Murray has shown a return to form in the warm up events. Very impressive against Nadal.

Still let's see if he is back to his best when it matters. 2014 was really quite poor.
He has a very tough draw (thanks largely to his poor 2014) and would have to potentially beat, Dimitrov, Nadal, Federer just to make the final.

Djokovic is the strong favourite I'd say.