International captain Nick Price has put Jason Day and Graham DeLaet in the opening match against Hunter Mahan and Brandt Snedeker.
Ernie Els and Phil Mickelson also have new partners.
Mickelson, the only player to have competed in every Presidents Cup, has Keegan Bradley. That’s his 13th partner in this event. Els got his 10th partner in Brendon de Jonge, one of seven rookies on the International team.
It’s the first time since 1996 the opening session is fourballs.