Tuning up for the Ryder Cup may net Ben Griffin a nice extra payday, as he leads the Procore Championship after the second round on Friday in Napa, Calif.

Griffin shot a 6-under-par 66 to climb to 14-under 130 for the tournament at the North Course at Silverado Resort.

The 29-year-old earned his first two PGA Tour victories this spring and was one of six captain's picks for the United States team that will face Team Europe at Bethpage Black later this month. Ten of the 12 American team members entered the Procore Championship to fill an otherwise long layoff with competitive reps.

Griffin has played bogey-free golf for two rounds. He reached 16 of 18 greens in regulation on Friday and made a 21 1/2-foot birdie putt at No. 17, a par-3.

Ryder Cup teammate Russell Henley carded a 68 to ge

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