American J.T. Poston played a near-flawless opening round at TPC Deere Run to lead the John Deere Classic by two strokes after Thursday's action.
Poston, who was one career PGA Tour win back at the Wyndham Championship in 2019, is arguably in career-best form at the moment after finishing tied for second in last week's Travelers Championship. He also finished tied for third at the Wells Fargo Championship, and collected another top-10 at RBC Heritage.
He posted seven birdies, and an eagle on the par-five second hole, in his bogey-free round, finishing with a nine-under 62.
Speaking to the media afterwards, Poston said he can feel himself in a groove.
"I think it's starting to kind of come together and see the results and see the shots, and kind of building that confidence back into my ball striking," he said.
"Hit my irons really well and hitting a lot of fairways, so I'm able to kind of attack some of the pins. Really, just hitting a lot of greens, which is something I haven't done in the first part of the year.
"It's obviously been the secret I guess, so hopefully keep it going."
In outright second place is Canadian Michael Gligic, who also went bogey-free, draining seven birdies for his seven-under 64.
Vaughn Taylor and Christopher Gotterup are tied for third at six under, while the group of Ricky Barnes, Denny McCarthy, Chris Naegel and Dylan Frittelli sit tied for fifth at five under.
A log-jam at four under features Austria's Matthias Schwab, Canada's Adam Svensson and American Scott Stallings, while Australian Cam Davis and Argentina's Emiliano Grillo are one further shot back.
Cameron Champ and India's Anirban Lahiri are at two under, Maverick McNealy and Rory Sabbatini are one under, and Webb Simpson is the pick of the players at even par.