Thomas became the fifth player to shoot 63 in the U.S. Open, and the first with a score of 9 under.
Thomas bogeyed three of his first five holes to drop back to 8 under. "This (wind) is light and variable compared to the beginning of the day, but that's what you get for playing a poor first few rounds".
It was the 30th time a player has shot 63 in the Majors - both Henrik Stenson and Phil Mickelson posted that score during their classic battle in last year's Open at Troon.
In defence of the U.S. Golf Association, the wide-open course was designed and set up to be played in strong winds and with firm and fast fairways and greens. "This went totally against the tradition of the U.S. Open". It's interesting to see where the USGA has gone with the U.S. Open, being a little more friendly than in years' past. He still built a six-shot lead through 36 holes, despite hitting his tee shot into the ocean on the 18th hole and salvaging bogey.
Harman was on top at 12 under coming into the day.
"I felt like I've been playing pretty well all week and didn't have quite the numbers to show for it", Thomas continued.
Koepka birdied No. 1 to move into a tie with Harman for the top spot.
"It looks as though the weather conditions are going to be a lot more challenging today at Erin Hills", Kite said. Two down, 14 to go. He became the first player to reach 13 under at the U.S. Open in the second round, but double-bogeyed 18 to close at 11 under and with a six-shot lead. It was never that way in the U.S. Open.
The previous lowest score in relation to par was the eight-under 63 shot by Johnny Miller in the final round of the 1973 Open. "And secondly, Erin Hills isn't exactly Oakmont".
Reed was one of the biggest movers, powering up the board with a dazzling seven-under-par 65 that included four birdies on the front nine against one bogey. If somebody does it tomorrow to win the U.S. Open by one, that's the specialness of my round. It features a silhouette of Palmer in mid-stride, tossing his visor in the air. At that point, he was leading by seven shots.
Brian Harman is the leader at Erin Hills.
Thomas was already on course for a share of the lead as he stepped up to the 18th having carded nine birdies against two bogeys in a spectacular round. But at 28, Fowler is the ninth-ranked player in the world and should be more than ready for Sunday. Spieth has said that he feels that he is striking the ball well, but that he is trying to get more consistent on and around the greens.
Whoever emerged victorious would definitely have earned it given the conditions which were reminiscent of the final round of the 1992 US Open at Pebble Beach. He was 10 under, only two shots behind.
Morgan shot 77 and, remarkably, still had the lead at 4-under 212.
"But it feels great to be part of U.S. open history, and I've obviously put myself in with a great chance to win the tournament".
The world number 50 headed to the clubhouse on 12 under, one ahead of Thomas, Brooks Koepka and England's Tommy Fleetwood.
The wind is gusting up to 25 miles per hour with the forecast calling for it to go as high as 30 miles per hour in the afternoon when the leaders tee off.
Fleetwood, who was hoping to follow in the footsteps of 1970 victor Tony Jacklin and 2013 champion Justin Rose, held a share of second place on 11 under par alongside Americans Brooks Koepka and Justin Thomas.
The course had been softened by rain earlier in the week, and it finally played the way the USGA wanted in the final round.
Then again, none of the top 16 on the leaderboard has ever won a major.