Top-ranked Scottie Scheffler of the United States. —AFP/FileCHARLOTTE: Scottie Scheffler, Rory McIlroy and defending champion Xander Schauffele -- the world’s highest-ranked golfers -- teed off together Thursday morning in the showcase group of the first round at the 107th PGA Championship.Top-ranked Scheffler, coming off his first triumph of the year two weeks ago, joined third-ranked fellow American Schauffele and new Masters champion McIlroy off the 10th tee at Quail Hollow.“I’m...