Richy Werenski leads 3M Open; Dustin Johnson WDs after 78
Tony Finau tees off on the fourth hole during the first round of the 3M Open golf tournament in Blaine, Minn., Thursday, July 23, 2020. (AP Photo/Andy Clayton- King)BLAINE, Minn. Richy Werenski made a short birdie putt on the par-5 18th for an 8-under 63 and the first-round lead Thursday in the 3M Open, while Dustin Johnson withdrew because of a back injury after a 78. The 24-year-old Werenski is winless in on the PGA Tour and ranked 248th in the world. Johnson, Brooks Koepka, Tommy Fleetwood and Finau were the only entrants in the top 25 of the world ranking. At the end of his first nine, Johnson started the 599-yard, dog-leg 18th hole with a solid drive off the tee.