The Amateur Champion tees off just after noon.
Rory McIlroy, Shane Lowry and Padraig Harrington are all in the field for the 154th Open Championship, which tees off in Royal Birkdale today.
Tom McKibbin is among the early starters, out on course just after 8am, with Cork amateur David Howard setting off at 10:40am.
Harrington has a 1:20pm start to his opening round today, while McIlroy begins his campaign at 3:15pm, and 2019 winner Lowry tees off just after 2:50pm.
There's a 12:15pm start for reigning Amateur Open champion Stuart Grehan, while 2011 winner Darren Clarke is out 32 minutes later.
Grehan says he's excited about the week ahead:
Our coverage of the Open Championship is with thanks to Keenan Bauer Motors Mullingar, Your home for Citroen and Honda in the Midlands, Keenanbauer.com
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