Tee times for the first and second rounds of the 144th Open Championship at St. Andrews (all times ET):
1:43 a.m. Thursday/6:44 a.m. Friday: Todd Hamilton, Paul Dunne (a), James Hahn
1:54 a.m. Thursday/6: 55 a.m. Friday: Graham DeLaet, Brian Harman, Russell Knox
2:05 a.m. Thursday/7:06 a.m. Friday: Matt Every, Alexander Levy, David Lingmerth
2:27 a.m. Thursday/7:28 a.m. Friday: Anthony Wall, Byeong-Hun An, Jordan Niebrugge (a)
3:22 a.m. Thursday/8:23 a.m. Friday: Graeme McDowell, Webb Simpson, Oliver Schniederjans (a)
3:44 a.