They will tee off at 12:45pm alongside John Rahm.
Offaly's Shane Lowry has been paired with Rory McIlroy and John Rahm for the opening round of the BMW Championship.
The Clara man will compete at the PGA Championship at Wentworth, before heading to New York for his third Ryder Cup appearance.
McIlroy is competing just a few days after capturing a second Irish Open title.
They will tee off at 12;45pm tomorrow.
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