Adam Scott, of Australia, walks up the fairway on the 18th hole during a practice round for the U.S. Open golf tournament in Pinehurst, N.C., Tuesday, June 10, 2014. The tournament starts Thursday.

Rickie Fowler hits out of the long grass on the 18th hole during a practice round for the U.S. Open golf tournament in Pinehurst, N.C., Wednesday, June 11, 2014. The tournament starts Thursday.

Rory McIlroy, of Northern Ireland, leaves the course after practice was suspended due to weather at the U.S. Open golf tournament in Pinehurst, N.C., Wednesday, June 11, 2014. The tournament starts Thursday.

In this image made with a fisheye lens, Jordan Spieth, center, signs after a practice round for the U.S. Open golf tournament in Pinehurst, N.C., Wednesday, June 11, 2014. The tournament starts Thursday.

In this image made with a fish-eye lens, Matt Kuchar hits out of the bunker on the 12th hole during a practice round for the U.S. Open golf tournament in Pinehurst, N.C., Wednesday, June 11, 2014. The tournament starts Thursday.

Phil Mickelson views his shot on the driving range before a practice round for the U.S. Open golf tournament in Pinehurst, N.C., Wednesday, June 11, 2014. The tournament starts Thursday.

Adam Scott, of Australia, hits his tee shot on the 18th hole during a practice round for the U.S. Open golf tournament in Pinehurst, N.C., Wednesday, June 11, 2014. The tournament starts Thursday.

Lee Westwood, of England, walks down the 18th fairway hole during a practice round for the U.S. Open golf tournament in Pinehurst, N.C., Wednesday, June 11, 2014. The tournament starts Thursday.