Shane Lowry and Rory McIlroy are among the afternoon starters.
11 of Luke Donald's European Ryder Cup team are in action at this week's BMW PGA Championship.
It's the opening day of the DP World Golf Tour's flagship event, where Shane Lowry and Rory McIlroy are among the afternoon starters.
The Irish duo will have
McIlroy won the Irish Open at the K Club last week and he says he's enjoyed being back in Europe:
Padraig Harrington has just tee-ed off, with Tom McKibbin getting his campaign underway at 9:25am.

Donadea's Will Connors To Start For Leinster In Saturday's Clash Against Connacht
Liam Rosenior Named Leading Contender To Become Chelsea's New Head Coach
Friday Morning Sports Update
This Weekend's Live Sport on Kfm
Former Kildare Player Ronan Sweeney Appointed Portarlington Manager
World Cup doubt over Josh Cullen after ACL injury
New Years Eve Sports Update
Ulster Back-Rower Juarno Augustus Out For A Number Of Weeks Due To An Ankle Injury