Only the top 70 will advance to the FedEx Cup playoffs, meaning this is a do-or-die week for many at Sedgefield Country Club.

Potgieter, two strokes ahead entering the round, closed with a 3-under 69, and Greyserman and Kirk each shot 67. Greyserman missed a 12-foot putt and Potgieter came up short on an uphill, 42-foot ...