Rory McIlroy fired a five-under 65 and is your leader after 18 holes at Southern Hills in Tulsa.

<p>Rory McIlroy fired a five-under 65 and is your leader after 18 holes at Southern Hills in Tulsa.</p>

Westwood One covers all four major championships, including live play-by-play of The Masters and the PGA Championship.

Golf on Westwood One Sports

Westwood One covers all four major championships, including live play-by-play of the PGA Championship.

<p>Westwood One covers all four major championships, including live play-by-play of the PGA Championship.</p>