Rory McIlroy will play alongside world number one Dustin Johnson for the first two rounds of the Open Championship.
Joining them will be 2011 Masters champion, Charl Schwartzel.
They'll tee off just before 2.50 at Royal Birkdale on Thursday.
Padraig Harrington will hope to take his fine form into his 9.36am tee time, and he'll be joined for the first two rounds by Thomas Pieters and Pat Perez.
Jordan Spieth and defending champion Henrik Stenson go out 11-minutes later, and they're joined by Korea's Si-Woo Kim.
Shane Lowry's part of a competitve trio with Brandt Snedeker and JB Holmes.