the PGA Championship 's Lee Westwood , at 20 , becomes the youngest winner of the PGA Championship . Manassero beats Simon Khan and Ryder Cup in a playoff at Wentworth . Marc Warren stalwart Lee Westwood struggles on back 20 and falls out of contention .
Italy 's Matteo Manassero , at 20 , becomes the youngest winner of the PGA Championship . Manassero beats Simon Khan and Marc Warren in a playoff at Wentworth . Ryder Cup stalwart Lee Westwood struggles on back nine and falls out of contention .