PGA Tour officials altered tee times, moving to threesomes and split tees, beginning at 10:55 a.m. EDT. The final group of leader Tommy Fleetwood, Russell Henley and Keegan Bradley will be at 12:56 p.m. Here’s a look at the adjusted times and groups at TPC River Highlands.

This exit is especially tough for Hovland, who was coming off a solo third-place finish at the U.S. Open and seemed poised to make another strong showing. Currently ranked 22nd in the FedExCup standings, he remains in solid shape to reach the Playoffs and the TOUR Championship at East Lake.

It's not unheard for a golfers to combine groups on a slow day at your local club or municipal track. But on the PGA Tour? That's a different story.