Realistically, what impact does the scenario have on Tiger. He played with the injury for a while, and when it finally got really bad, he had surgery. In the context of golf what do all the factors add up to. How does an ACL injury affect a golfer compared to other athletes in different sports? How does the down time of surgery and rehab play into the affectiveness of a golfer compared to other sports? Is it amazing that Tiger can do this well or is it just Tiger being Tiger?