2017 AT&T Byron Nelson Round 2 Leaderboard: Dustin Johnson among early second-round leaders

World No. 1 Dustin Johnson, fellow American Cameron Tringale and Byeong Hun An share the lead at 6-under-par 134 after the early wave of the second round.

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2017 AT&T Byron Nelson Round 2 Leaderboard: Dustin Johnson among early second-round leaders