A glance at the key hole Sunday at the U.S. Open:
HOLE: No. 9
STROKE AVERAGE: 3.10
KEY FACTS: Winner Martin Kaymer hit 8-iron to 4 feet for birdie to play the front nine in 1-under par and build a six-shot lead. Zach Johnson made a hole-in-one with a 7-iron, the third straight year that a player made an ace in the U.S. Open.