A look at the key hole Sunday in the fourth round of the PGA Championship:
YARDAGE: 493 yards.
STROKE AVERAGE: 4.3.
KEY FACTS: The only real suspense at the end of Rory McIlroy's victory was whether he would set the tournament record for margin of victory. He did it by making a 25-foot putt for an eight-stroke win — one of only seven birdies in the final round on No. 18.