The group is to tee off at 1:14 p.m. Thursday on the first hole of the Merion Golf Club at Ardmore, Pa., near Philadelphia. The group has a 7:44 a.m. tee time from the 11th hole Friday.
Woods, the No.1-ranked golfer in the world, has four wins this year but is coming off a tie for 65th at the Memorial. Woods is a three-time U.S. Open champion, having won in 2000, 2002 and 2008. He hasn't won a major tournament since that 2008 victory.
McIlroy is ranked second but has only three Top 10 finishes in six tournaments in 2013. Scott has four Top 20 finishes, including a win at the Masters.