LAKE FOREST, IL - SEPTEMBER 12: Tiger Woods hits balls on the driving range before the first round of the BMW Championship at Conway Farms Golf Club on September 12, 2013 in Lake Forest, Illinois. (Photo by Stan Badz/PGA TOUR)
LAKE FOREST, IL - SEPTEMBER 12: Tiger Woods hits balls on the driving range before the first round of the BMW Championship at Conway Farms Golf Club on September 12, 2013 in Lake Forest, Illinois. (Photo by Stan Badz/PGA TOUR)