United States lead the International team by one point at the end of the first day of the Presidents Cup at Muirfield Village Golf Club, Ohio.
Tiger Woods and Matt Kuchar put the first point on the board with a 5&4 victory over Angel Cabrera and Marc Leishman
Jason Day and Graham DeLaet then got Nick Price's team back on track by overcoming Hunter Mahan and Brandt Snedeker.
South African duo Charl Schwartzel and Louis Oosthuizen came up trumps against Phil Mickelson and Keegan Bradley to put the Internationals 2-1 ahead, before Adam Scott and Hideki Matsuyama added a half against Bill Haas and Webb Simpson.
However, the day belonged to the Americans, as Jason Dufner and Zach Johnson beat Branden Grace and Richard Sterne 5&3, before Steve Stricker and Jordan Spieth edged Ernie Els and Brendon de Jonge by one hole.
