Russell Knox scored 14 of 18 penalty points in his final round at the Rocket Mortgage Classic, finishing 8 points behind. Knox ended his round in a draw in 42nd place, 8th behind; Joaquin Niemann takes 1st place under 15; Troy Merritt, Chris Kirk, Jason Cocrack, Bubba Watson, Kevin Kisner, Alex Noren and Cam Davis tied for U14; and Brandon Hagey, Fabian Gomez, Hank Lebioda, Cameron Tringale, Curtis Thompson and Jason Day tied for 9th place under 13.
On 393-yard par-4 13, Knox entered 2 and missed his 5-foot par-putt, finishing the boogie with three shots. This moved Knox 1 per round.
At 160 yards par 3, 15, Knox struck 145 yards from the tee on the grass, preparing for an 8-foot bird strike. This moved Knox by 2 in the round.
After a sharp right turn on Hole 16, 446 par-4 yards, Knox made his approach 154 yards in tune with the bird. This moved Knox 1 per round.
After driving 294 yards on a 577-yard 17th par-5, Knox made his third 1-foot throw, which he threw at the bird with one hit to the hole. It was his third under-par hole in a row and Knox was tied for that round.