Golf: Dustin Johnson fell into a four-way tie after third round of the U.S. OPEN

Dustin Johnson struggles at the third round of the U.S. Open. Dustin Johnson fell into a four-way tie for the lead by shooting a third-round 77. Brooks Koepka, Tony Finau and Daniel Berger are all tied for first place with a score of 3-over par. Phil Mickelson's hit a moving ball with his putter out of frustrations.