KEY GROUPS

Jordan Spieth headlines today’s afternoon wave alongside defending champion Matt Kuchar and Patrick Reed (12:40 ET). Ernie Els is with Graeme McDowell and Webb Simpson (12:50). In Friday’s afternoon wave, Jim Furyk is playing with Bill Haas and Billy Horschel (12:40). Brandt Snedeker is with Zach Johnson and Ian Poulter (12:50).