Graeme McDowell takes lead when Tiger Woods gets a double-bogey 7 on the 13th hole.
McDowell holds one-stroke lead until 17th, when pulls tee shot on par-3 left, forced to take unplayable lie and drops on No. 9 tee box. Saves bogey while Woods makes par, tying them at 15 under.
Both birdie par-4 18th to go to playoff.