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.…