Hadwin, 34, has only one win on the PGA Tour, that being the 2017 Valspar Championship.
Adam Hadwin is the solo leader after the first round of the 2022 U.S. Open. The Canadian shot a 4-under 66.
Hadwin, 34, has only one win on the PGA Tour, that being the 2017 Valspar Championship. His best finish at the U.S. Open is T-39 in 2011.
Rory McIlroy is one of five golfers at 3-under par. The 2011 U.S. Open champion shot an opening round 67. Past U.S. Open champions Dustin Johnson and Justin Rose sit at 2-under, while major winners Collin Morikawa, Gary Woodland, Justin Thomas and Jon Rahm are three off the lead at 1-under.
Phil Mickelson, who played last week in the inaugural LIV Golf event in London, recorded an 8-over 78 in his first round. He sits 12 shots off the lead.
The U.S. Open second round starts at 6:45 a.m. ET Friday.
2022 U.S. Open: Adam Hadwin solo leader after first round, Phil Mickelson shoots 78 - The Athletic View Story