(Reuters) - Tiger Woods has registered to play in June's U.S. Open at Oakmont Country Club in Pennsylvania but has not set a timetable for his return to the PGA Tour. The United States Golf Association confirmed on Monday that Woods, who has not competed since last August while recovering from back surgeries, registered for the year's second major on April 4, well ahead of Wednesday's deadline. While the 14-times major winner has registered for the June 16-19 U.S. Open, there is no guarantee he will be at Oakmont, one of the most difficult courses on tour. More...