ARDMORE, Pennsylvania (Reuters) - U.S. Open organisers were preparing for severe thunderstorms and high winds later in the day as the opening round of the year's second major began under overcast skies at Merion on Thursday.
Little-known American Cliff Kresge struck the first shot on the par-four opening hole and 2012 Masters winner Bubba Watson launched proceedings at the par-four 11th in high-profile company with Dustin Johnson and Belgian Nicolas Colsaerts.
