The Offaly golfer finished on even par yesterday.
Shane Lowry is seven shots off the lead after round one of the Arnold Palmer Invitational.
The Offaly golfer finished on even par on the first day in Florida.
World number one Jon Rahm leads after round one.
He carded a 7 under par round of 65 and holds a 2 shot cushion on the field.
Seamus Power is even par, with Rory McIlroy and Padraig Harrington 1 over.