The Offaly man is back in action later today.
Shane Lowry is level par after the first day at the FedEx Championship.
The Clara golfer in a tie for 43rd place at the St. Jude Invitational, after he carded a round of 70.
He's back on course at 5.25pm Irish time this evening.
Seamus Power is best of the Irish on three under par - he's six shots off the lead after carding a round of 67 at Southwind.
Rory McIlroy is two under, after nailing two birdies in his final three holes.
American Chris Kirk holds a one-shot lead in the clubhouse on 6-under par.
Full Interview: Portarlington Footballer Ronan Coffey
Full Interview: The Down's Manager Dermot Power
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Conor Slevin Wins Dramatic Leinster Quarter-Final For Kilcormac Killoughey
Ireland Secure Comfortable Win Over Argentina
Kilcormac Killoughey Seal Win But Heartbreak For Lough Lene Gaels And The Harps