American Scott Piercy extended his lead during the third round of the 3M Open in Minneapolis, ending the day four shots ahead of his rivals.
With a score of five-under 66 Piercy continued the momentum he created earlier on, having ended the previous day on a three shot lead.
Argentina's Emiliano Grillo was steady trailing for the second day in a row, on four-under 67.
Behind him were Americans Doug Ghim and Tony Finau.
Piercy birdied seven holes and bogeyed two on the third day in Blaine, while Grillo pulled off an eagle on top of four birdies and two bogeys.
Ghim and Finau both earnt themselves six birdies.
