The Clara man is out on course at 4:49pm.
The Fed Ex Cup reaches its climax this week, with the season-ending Tour Championship getting underway later today in Atlanta.
Offaly's Shane Lowry is out on course at 4:49pm Irish time.
He's paired with Japan's Hideki Matsuyama.
Meanwhile, Scottie Scheffler leads the way at the top of the rankings - he plays alongside Rory McIlroy from 7:00pm this evening.
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