No doubting the star attraction today with Rory McIlroy, Scottie Scheffler and Xander Schauffele off together on the 10th at 1.22pm.
Selected groups:
12pm: Luke Donald (Eng), Padraig Harrington (Ire), Martin Kaymer (Ger).
6:03pm: Tyrrell Hatton (Eng), Adam Scott (Aus), Will Zalatoris (US).
6:14pm: Dustin Johnson (US), Collin Morikawa (US), Justin Thomas (US).
6.25pm: Ludvig Aaberg (Swe), Patrick Reed (US), Jordan Spieth (US).
6:47pm: Bryson DeChambeau (US), Viktor Hovland (Nor), Gary Woodland (US).
7:09pm: Brian Harman (US), Justin Rose (Eng), Cameron Smith (Aus)
Starting at Hole 10:
12:38pm: Rickie Fowler (US), Brooks Koepka (US), Shane Lowry (Ire).
12:49pm: Jason Day (Aus), Tommy Fleetwood (Eng), Phil Mickelson (US).
1pm: Patrick Cantlay (US), Matthew Fitzpatrick (Eng), Jon Rahm (Spa).
1:22pm: Rory McIlroy (NI), Xander Schauffele (US), Scottie Scheffler (US)