Shane Lowry will tee off just after lunch time on Thursday afternoon.
Rory McIlroy will bid to banish his Masters disappointment at the US PGA Championship this week.
The second major of the year starts at Oak Hill in New York tomorrow.
The last of McIlroy's four majors came in 2014, but he is comfortable with his legacy in the game.
2019 Open Champion Shane Lowry will be hoping to find some form in New York.
The Offaly man has only secured one Top 10 finish this year - a fifth place at The Honda Classic in February.
Lowry and McIlroy will be joined by 2009 PGA Championship winner Padraig Harrington and Seamus Power.
Of the Irish, It'll be the world number three who tees off first, McIlroy starts his round at 1.11pm Irish time, Lowry will follow within separate groups minutes later, while Power starts at 6.42pm.
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