The first round begins at 6:45 a.m. Thursday, July 23.
Four players in the top 20 are confirmed.
Some of golf's biggest names will be playing.
The event is still slated to be held in Blaine from July 23-26.
It's tucked between the Open Championship and the Summer Olympics.
A huge putt by Wolffe just minutes after Bryson DeChambeau took the lead.
Koepka likes the course, but not how much it was played before the event.
Round 1 is in the books at the TPC Twin Cities in Blaine.
Seven of the top 30 in the World Golf Rankings are playing.
The 3M Open is two weeks before the British Open.
The tournament's director believes many of the top players will compete.