SAN FRANCISCO (AP) - A glance at Thursday's key hole at the U.S. Open:
HOLE: No. 1
STROKE AVERAGE: 4.6
KEY FACTS: Leader Michael Johnson bogeyed the hole, which played as a par 4 the last time the Open was held at Olympic Club. The other five players under par all managed to make par on the hole, which played toughest on the day.