Jason Kokrak will carry a five-stroke lead into the weekend at the 2017 AT&T Byron Nelson tournament after firing an eight-under 62 during Friday's second round at the Four Seasons Resort and Club Dallas in Irving, Texas.
Kokrak, who's seeking his first career victory on the PGA Tour, stands at 12-under par overall through 36 holes. While he holds a commanding lead, the chase pack features a couple notable names inside the top 10, including Dustin Johnson (-6) and Billy Horschel (-7).
Here's a look at the tournament leaderboard following Round 2:
Kokrak's surge to the top comes as a complete surprise.