After 36 holes, the 2017 U.S. Open field has been cut down to 68 players, highlighted by Brian Harman, Paul Casey, Tommy Fleetwood and Brooks Koepka in a four-way tie for the lead at seven-under par.
As tight as things are with that quartet, they don't have any time to keep an eye on each other, because 14 players are within three shots of the lead. Rickie Fowler is the marquee name in that group, entering Saturday tied for fifth at six-under par.
One thing to remember heading into the final two days of action at Erin Hills, Wisconsin, is the leader after two rounds has won the U.