CARMEL, IN - SEPTEMBER 09: Dustin Johnson walks off the 18th green during the second round of the BMW Championship at Crooked Stick Golf Club on September 9, 2016 in Carmel, Indiana. (Photo by Stacy Revere/Getty Images)
CARMEL, IN - SEPTEMBER 09: Dustin Johnson walks off the 18th green during the second round of the BMW Championship at Crooked Stick Golf Club on September 9, 2016 in Carmel, Indiana. (Photo by Stacy Revere/Getty Images)