A look at the key hole Thursday in the first round of the PGA Championship:

HOLE: 9.

YARDAGE: 474.

PAR: 4.

STROKE AVERAGE: 4.23.

RANK: 8.

KEY FACT: Brooks Koepka made a putt from just inside 35 feet for birdie and a 63, becoming the first player in PGA Championship history to shoot 63 twice. It also set the course record at Bethpage Black.

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