It can close in under seven minutes in the event of rain.
The Rocket has been called "the greatest champion our sport has known," by Roger Federer.
Hear from Dustin Johnson after winning the 2016 U.S. Open.
Watch how Round 4 unfolded.
Dustin Johnson wins the 2016 U.S. Open at Oakmont.
USGA representatives discussed why Johnson was penalized.
Controversy raged over whether Johnson should be penalized.
Dustin Johnson gets a free drop thanks to a TV tower.
Jack Nicklaus remembered playing with Arnold Palmer.