The newly crowned Irish Open Champion carded a 71 on day one of the BMW PGA Championship.
Offaly's Shane Lowry is currently in a tie for 34th on -1 after his first round of the BMW PGA Championship.
The 2022 winner carded three bogeys and four birdies in his first competitive round since winning the Irish Open by a record 11 strokes last week.
Joakim Lagergren and Aaron Rai are the joint leaders on -6.
Rory McIroy is three shots off on -3 that lead with Tom McKibbin on +1 and Padraig Harrington on +2.
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