But any bad taste in his mouth shouldn't last long because it's been an impressive week for the 29-year-old Valspar Championship victor from Abbotsford, B.C. In Thursday's first round, he tied a U.S. Open record by making six consecutive birdies en route to a four-under 68 and a share of seventh place.
At Erin Hills, all Johnson could do was go down swinging on a Friday. "I'm just excited to get a few rounds and start playing again". He missed the 15-footer. It doesn't need to be too much of a change for this golf course to play pretty hard.
The 44 subpar rounds broke the first-round mark of 39 at Medinah in 1990.
Still to be determined was who made it to the weekend, and where the cut would fall. Nobody's going to make nine birdies out there. 1, 2 and 3 all missed the cut in a major. No other information was provided.
Willett shot a 9-over 81 in the first round and then withdrew before his tee time in the second round.
McIlroy won the US Open with a record 16-under-par total in 2011 and claimed his second major title in the US PGA the following year.
It sounds as if Erin Hills is becoming more challenging with each passing minute.
Another warm, dry day is drying out the course, and the players are noticing a difference.
"I really like this golf course; it sets up really well for me, especially if I'm driving it like I did today, " said Johnson, who shot 73 along with a first-round 75 to finish at 148. "But I think definitely getting a lot speedier, a lot faster".
Harris English is 4 under after a second-round 69.
Scott's last missed cut at one of the four big dances was the 2015 PGA, and the 36-year-old lamented a misbehaving putter after improving his form on the greens in 2017. "Then clawed all the way back and actually picked up one more to the good by the time we were finished".
Eight of the top 12 players in the world won't be around for the weekend at Erin Hills, leaving a tournament as open as the land on which it was built.
Xander Schauffele briefly grabbed a share of the lead by birdieing the fifth but bogeyed the ninth, as Casey racked up five straight gains around the turn to rejoin the tie at the top.
"Showed up for the last six holes, anyway, " he said. He just missed an eagle at the par-5 seventh after a long putt rolled just wide of the cup.
But the Japanese hit back with the joint best round of the day of 7-under 65 to shoot up the leaderboard and into contention at 5-under.
"You don't often see that in a U.S. Open", Hadwin said. This one he'd rather forget. Later, a long put for bogey rolled just right of the hole before he tapped in. Friday's round included five birdies and two bogeys.
The 25-year-old played flawlessly in the second round, relying on pinpoint accuracy from the fairways and a red-hot putter to reel off seven birdies and 11 pars. He tapped in for par.
Fowler, who drew a fortunate early tee time for round one, teed off at 7:51 a.m local time with Hideki Matsuyama and Jon Rahm.
Casey laid up in the rough, took two chops to get out of more rough behind the 14th green, and staggered away with a triple-bogey 8 that might have ruined his day at Erin Hills. He stumbled to a 6-over 42 over his final nine on Day 1.
The four-way tie was the most after two rounds in a U.S. Open since Winged Foot in 1974, back when the names were more familiar for a major - Raymond Floyd, Arnold Palmer, Gary Player and Hale Irwin, who went on to win his first major.