Brian Harman reacts after missing a birdie putt on the 12th during the fourth round of the U.S. Open golf tournament Sunday, June 18, 2017, at Erin Hills in Erin, Wis. (AP Photo/Chris Carlson)
Brian Harman hits from the second tee during the fourth round of the U.S. Open golf tournament Sunday, June 18, 2017, at Erin Hills in Erin, Wis. (AP Photo/Chris Carlson)
Brian Harman watches his putt on the first hole during the fourth round of the U.S. Open golf tournament Sunday, June 18, 2017, at Erin Hills in Erin, Wis. (AP Photo/Chris Carlson)
Brian Harman putts on the 18th hole during the third round of the U.S. Open golf tournament Saturday, June 17, 2017, at Erin Hills in Erin, Wis. (AP Photo/A Charlie Riedel)
Brian Harman reacts on the 18th hole during the third round of the U.S. Open golf tournament Saturday, June 17, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)
Brian Harman waits to putt on the 18th green during the third round of the U.S. Open golf tournament Saturday, June 17, 2017, at Erin Hills in Erin, Wis. (AP Photo/A Charlie Riedel)
Brian Harman reacts on the 18th green during the third round of the U.S. Open golf tournament Saturday, June 17, 2017, at Erin Hills in Erin, Wis. (AP Photo/A Charlie Riedel)
Brian Harman smiles on the 18th green during the third round of the U.S. Open golf tournament Saturday, June 17, 2017, at Erin Hills in Erin, Wis. (AP Photo/Chris Carlson)
Brian Harman reacts after his birdie on the ninth hole during the third round of the U.S. Open golf tournament Saturday, June 17, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)
Brian Harman hits a drive on the 10th hole during the third round of the U.S. Open golf tournament Saturday, June 17, 2017, at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip)
Brian Harman reacts to a putt on the 11th 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)
Brian Harman hits from the 15th 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)
Brian Harman watches his putt on the 10th hole during the first round of the U.S. Open golf tournament Thursday, June 15, 2017, at Erin Hills in Erin, Wis. (AP Photo/Chris Carlson)
Brian Harman acknowledges the crowd after his birdie putt on No. 9 during the third round of the RBC Heritage golf tournament Saturday, April 15, 2017, at Harbour Town Golf Links on Hilton Head Island, S.C. (Jay Karr/The Island Packet via AP)
Brian Harman watches his putt on the 18th hole during the second round of the CareerBuilder Challenge golf tournament at PGA West Friday, Jan. 20, 2017, in La Quinta, Calif. (AP Photo/Chris Carlson)
Brian Harman and his fiance; Kelly Van Slyke smile after Harman won the 2014 John Deere Classic golf tournament at TPC Deere Run in Silvis, Ill., Sunday, July 13, 2014. (AP Photo/Charles Rex Arbogast)
Brian Harman drives on the second tee in the final round of the Northern Trust Open golf tournament at Riviera Country Club in the Pacific Palisades area of Los Angeles, Sunday, Feb. 16, 2014. (AP Photo/Reed Saxon)