In a surprising turn of events, the US team swept the morning foursomes.
Jordan Spieth and Patrick Reed defeated Henrik Stenson and Justin Rose 3&2.
Phil Mickelson and Rickie Fowler defeated Rory McIlroy and Andy Sullivan 1 UP.
Jimmy Walker and Zach Johnson defeated Sergio Garcia and Andy Sullivan 4&2
Dustin Johnson and Matt Kuchar defeated Lee Westwood and Thomas Pieters 5&4
American fans should not get too excited. The European team is sure to mount a fierce comeback. Here are the tee times and pairings for afternoon fourballs (an explanation of four ball here.)
12: 30 p.m.: Justin Rose & Henrik Stenson (EUR) vs. Jordan Spieth & Patrick Reed (USA)
12:45 a.m.: JB Holmes & Ryan Moore (USA) vs. Sergio Garcia and Rafa Cabrera Bello (EUR)
1:00 p.m.: Danny Willett & Martin Kaymer (EUR) vs. Brandt Snedeker & Brooks Koepka (USA)
9:20 a.m.: Dustin Johnson & Matt Kuchar (USA) vs. Rory McIlroy & Thomas Pieters (EUR)