From left, Richard Green of Australia, Tiger Woods and Bubba Watson walk during a practice round for the 89th PGA Golf Championship at the Southern Hills Country Club in Tulsa, Okla.,Tuesday, Aug. 7, 2007.

From left, Richard Green of Australia, Tiger Woods and Bubba Watson walk during a practice round for the 89th PGA Golf Championship at the Southern Hills Country Club in Tulsa, Okla.,Tuesday, Aug. 7, 2007.