After recent struggle, Johnson, Koepka seek spark at 3M Open

In this Friday, July 17, 2020, file photo, Dustin Johnson hits toward the ninth green during the second round of the Memorial golf tournament in Dublin, Ohio. The 3M Open comes to Minnesota for the second time, with heavy hitters Dustin Johnson and Brooks Koepka headlining the field. (AP Photo/Darron Cummings, File)

In this Friday, July 17, 2020, file photo, Dustin Johnson hits toward the ninth green during the second round of the Memorial golf tournament in Dublin, Ohio. The 3M Open comes to Minnesota for the second time, with heavy hitters Dustin Johnson and Brooks Koepka headlining the field. (AP Photo/Darron Cummings, File)

BLAINE, Minn. — The presence of Dustin Johnson and Brooks Koepka in Minnesota this week has given the fledgling 3M Open two heavy-hitting stars of the PGA Tour to headline the second edition of the tournament.