Richy Werenski leads 3M Open; Johnson withdraws 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. — The virus outbreak has squelched the upbeat and welcoming vibe that marked the debut of the 3M Open last year.