The Waterford golfer produced his best round of the week on Saturday, carding a six-under 65 to move to 15-under overall.
Séamus Power remains in contention heading into the final round of the Biltmore Championship in Asheville.
The Waterford golfer produced his best round of the week on Saturday, carding a six-under 65 to move to 15-under overall.
That leaves Power six shots behind leader Neal Shipley, who sits on 21-under, with Ben Kohles one shot further back on 20-under.
Power's third round included an eagle at the eighth alongside six birdies, helping him climb into a share of seventh place.
He is due to begin his final round shortly after 2pm Irish time today.

Wales Stun All Blacks To End 73-Year Wait For Victory
Ireland Face Must-Win Kosovo Clash After Narrow Defeat To Austria
Kildare Trio Feature As Ireland Overcome Fiji In Nations Championship
Kildare's Sean O'Haire Kicks Dramatic Last-Minute Winner In American College Football
Sunday Morning Sports Update
Milltown Through To Leinster Intermediate Semi-Finals After Victory Over Meath Champions
Sarsfields Leinster Championship Campaign Ends After Heavy Defeat To Cuala
More Than 20 Horses Withdrawn At Cheltenham Over Ground Conditions