Last week it was announced that Tiger Woods still stands on his own as the world's highest earning sportsman. Despite a 10% reduction in his income he remains at the top of the sports earnings list for a seventh straight year. But, while his finances appear unassailable, the world No. 1's dominance on the golf course is becoming increasingly uncertain. As Europe's elite grow in stature and begin to shed their fear of the 14-time Major champion, one player stands out as Tiger's heir apparent. It may only be a few months since Rory McIlroy contemplated taking a break from the game having missed the first Major cut of his career at the Masters, but such is the emerging maturity he has shown since that disappointment that it is unavoidable not to mark the Northern Irishman out as a future world No. 1. To take a break now would verge on the ridiculous. http://www.espn.co.uk/golf/sport/story/36258.html
