Key groups

When 73 of the top players gather, powerhouse pairings are in the offing. Golf Channel’s Thursday’s coverage will feature world No. 1 Dustin Johnson and British Open champion Francesco Molinari, the winners of the past two events (2:10 p.m. ET). Justin Thomas is out with Phil Mickelson (2) and Tommy Fleetwood and Matt Kuchar are paired (1:40). Tiger Woods is out alongside Jason Day (10:20 a.m.), while defending champion Hideki Matsuyama is with Rory McIlroy (10:10 a.m.).