Rory McIlory, of Northern Ireland, waits to hit on the 15th tee during the second round of the U.S. Open Championship golf tournament in Bethesda, Md., Friday, June 17, 2011.

Rory McIlory, of Northern Ireland, waits to hit on the 15th tee during the second round of the U.S. Open Championship golf tournament in Bethesda, Md., Friday, June 17, 2011.