Bryson DeChambeau shot a 63 Saturday to turn a two-stroke deficit into a four-stroke lead at the Northern Trust.
The 24-year-old began Round 3 in fourth place, but a consistent effort helped him get to 16 under par with one round remaining at Ridgewood Country Club in Paramus, New Jersey. Keegan Bradley is alone in second place at 12 under after tying a course record with his 62.
The tournament is the first of four FedEx Cup playoff events, and it appears the level of play has matched the stakes.
This article will be updated to provide more information on this story as it becomes available.