CHARLOTTE, N.C. — The strongest field of the majors gave way to a few surprises Thursday in the PGA Championship, starting with Jhonattan Vegas charging into the lead with a 7-under 64 and the top 10 players in the world nowhere to be found among the top 10 at Quail Hollow.A long day filled sunshine and mud balls ended with Vegas in the penultimate group playing the best golf hardly anyone saw. A briefly energized crowd had mostly left when Vegas blazed his way to the finish with five birdies on his last six holes, ending with an 18-footer on No. 8 and a 25-footer on the rugged ninth.It was Vegas’ best score in 45 rounds playing the majors. The Venezuelan has never finished in the top 20 in a major and hadn’t qualified for this one in three years.He had a two-shot lead over Ryan Gerard, the PGA Tour rookie who grew up in North Carolina and was the only other player to reach 7 under until bogeys on his last two holes. He was joined at 66 by Cam Davis of Australia.The biggest crowds belonged to the top three in the world, and it wasn’t nearly as inspiring as four of the last five majors they have combined to win.Masters champion Rory McIlroy didn’t make birdie over his last 12 holes and had nothing to say about that after a 3-over 74 sent him straight to the range.Scottie Scheffler and defending PGA ch …