NAPA, Calif. (AP) — Ben Griffin went about his business Friday like he was at any other PGA Tour stop, even with so many Ryder Cup teammates around him. He played bogey-free for the second straight day with a 6-under 66 to build a three-shot lead in the Procore Championship.

Three shots behind him from the early starters at Silverado was Russell Henley, who makes his Ryder Cup debut in two weeks. Henley dropped a few shots on his back nine and shot 68. Amateur Jackson Koivun of San Jose, Calif., is tied with Henley after carding a second-round 68.

Next was J.J. Spaun, the U.S. Open champion who also will be at Bethpage Black. He did just enough right for a 68 and was five shots behind.

Silverado has 10 players on the American team, with captain Keegan Bradley checking in on all of them.

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