Jarrod Lyle left, and Jason Day, both of Australia, joke around before teeing off on the seventh hole during the second round of the AT&T National golf tournament at the Aronimink Golf Club, Friday, July 2, 2010, in Newtown Square, Pa.

Jarrod Lyle left, and Jason Day, both of Australia, joke around before teeing off on the seventh hole during the second round of the AT&T National golf tournament at the Aronimink Golf Club, Friday, July 2, 2010, in Newtown Square, Pa.