Tiger Woods smiles as he walks up the 18th hole during practice for the U.S. Open golf tournament at Merion Golf Club, Wednesday, June 12, 2013, in Ardmore, Pa. (AP Photo/Morry Gash)

Photo by: Morry Gash

Tiger Woods smiles as he walks up the 18th hole during practice for the U.S. Open golf tournament at Merion Golf Club, Wednesday, June 12, 2013, in Ardmore, Pa. (AP Photo/Morry Gash)