Dustin Johnson's emphatic victory at the Northern Trust vaulted him into first place in the FedEx Cup standings.
Johnson picked up 1,500 points for winning the first of three events that will determine the PGA Tour's season champion.
The 36-year-old holds a 91-point advantage over Justin Thomas, who finished 23 strokes off Johnson's pace at TPC Boston.
Johnson, Thomas and Webb Simpson are the only golfers with over 2,000 FedEx Cup points going into the BMW Championship.
FedEx Cup Standings
1. Dustin Johnson (2570.567 points)
2. Justin Thomas (2479.