Andy Roddick believes Andy Murray ranks above the likes of Roger Federer, Rafael Nadal and Novak Djokovic when it comes to his intelligence on the court. Murray failed to hit the heights of his three biggest rivals but was one of the few players to provide a sustained challenge while Federer,

The American said the Scot said no to offers from many tennis players - women and men - in order to work with the Serbian champion

Although his career as a professional tennis player ended only a few months ago, Andy Murray has already found his next challenge. The former world No. 1 – who will also do a theatrical tour next year – will be Novak Djokovic's coach during the upcoming Australian Open.