The U.S. Open

us_open_golf_65768.jpg

Hideki Matsuyama, of Japan, hits a drive on the 14th hole during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_83666.jpg

Hideki Matsuyama, of Japan, walks to the 18th hole during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/Charlie Riedel)

us_open_golf_41834.jpg

Rickie Fowler walks off the 18th tee during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/Charlie Riedel)

us_open_golf_40469.jpg

Brooks Kopeka hits from the eighth fairway during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/Chris Carlson)

us_open_golf_86725.jpg

Tommy Fleetwood, of England, waves on the 18th green during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

Tommy Fleetwood, of England, smiles as he walks off the 18th green during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_63770.jpg

Hideki Matsuyama, of Japan, wipes his head on the 18th green during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_89185.jpg

Steve Stricker waves on the 17th hole during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_39220.jpg

Rickie Fowler hits a drive on the 10th hole during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_35768.jpg

Jamie Lovemark wipes his head on the 18th green during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_17012.jpg

Dustin Johnson drives on the 18th hole during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/Charlie Riedel)

us_open_golf_83637.jpg

Hideki Matsuyama, of Japan, reacts to his birdie on the eighth hole during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/Charlie Riedel)

us_open_golf_42033.jpg

Cameron Champ hits on the eighth hole during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_48446.jpg

Cameron Champ hits from the ninth tee during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_66357.jpg

Fans line a hill on the 13th hole during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_03523.jpg

Xander Schauffele hits from the ninth tee during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_31696.jpg

Xander Schauffele hits a shot during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_37812.jpg

Xander Schauffele hits from the ninth tee during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)

us_open_golf_80139.jpg

Bubba Watson looks down at his ball during the first round of the U.S. Open golf tournament Thursday, June 15, 2017, at Erin Hills in Erin, Wis. (AP Photo/Charlie Riedel)

us_open_golf_34430.jpg

Jason Day, of Australia, and Rory McIlroy, of Ireland, walk up the 18th hole during the second round of the U.S. Open golf tournament Friday, June 16, 2017, at Erin Hills in Erin, Wis. (AP Photo/Charlie Riedel)