TULSA, Okla. (AP) — A look at the key hole Thursday in the first round of the PGA Championship:
STROKE AVERAGE: 4.10
KEY FACT: Rory McIlroy made an 18-foot birdie for his first lead in a major since he won the 2014 PGA Championship. Tiger Woods needed two chips to get on the green, making bogey for a 74 that left him nine shots out of the lead.
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