The PGA Tour swings through Charlotte this week and its annual stop at Quail Hollow for the Truist Championship. It’s offering a $20 million purse, with $3.6 million to the winner. The Truist is last call before next week’s PGA Championship at Aronimink, and an elite field has rolled in for a marquee tuneup and big potential payday. No. 2 Rory McIlroy is making his first appearance since winning the Masters last month, and he said earlier this week that he feels much more refocused and prepared for the summer compared to last year, when he’d won his first green jacket. He also has plenty of happy memories at Quail Hollow, where he won his first PGA Tour event in 2010 and a total of four times overall in the various iterations of the event. Top-ranked Scottie Scheffler is skipping this week , but No. 3 Cam Young, last week’s runaway winner at Doral, is in the field. All told, seven of the world’s current top 10 are playing.…