Tiger's second shot on hole 15 final round, went into a grass pothole next to the green in deep rough. When he walked past his ball he pressed the wedge down right behind his ball which is the line of play. this appears to have broken rule 13-2, "Pressing a club on the ground". He was not addressing the ball. I can't find the video on the web so I can't post it on youtube for others to see. Maybe someone who has the video can look at it and comment and explain why its not a violation. By pressing his club down behind the ball he created a better lie.