Alex Fitzpatrick hit a sparkling seven-under-par 64 to seize a one-shot lead heading into the final round of the Truist Championship at Quail Hollow.

The 27-year-old younger brother of former US Open champion Matt Fitzpatrick produced an inspired display, carding eight birdies to move to 14 under par and put himself in pole position for a maiden individual PGA Tour title.

Fitzpatrick leads Norway's Kristoffer Reitan, who also posted a 64, by a single stroke.

It is just a fortnight since the Fitzpatrick brothers won the Zurich Classic of New Orleans pairs event, which secured a two-year tour card for Alex, who is ranked 120th in the world.

World number two Rory McIlroy, a four-time winner at this venue, suffered a frustrating Saturday, carding a four-over-par 75 to fall out of contention.

Starting the day two shots off the lead, Fitzpatrick surged forward with five birdies on the front nine.

Despite a stumble with a bogey at the 16th, he responded immediately by sinking an eight-foot putt for birdie at…