Peter Hanson is atop the leaderboard after the opening day of the HP Byron Nelson Championship following a 5-under 65.
The 36-year-old, who has six European Tour wins, began Thursday with five birdies on the front nine to hold a one-shot lead heading into Friday.
Tim Wilkinson and Marc Leishman each birdied 16 to finish the day in a tie for second at 4-under with David Duval, while eight others are tied for fifth at 3-under.
Matt Kuchar, the highest ranked golfer in the tournament, currently sits at 1-under.
Here are the men atop the leaderboard at the end of round one:
| Position | Player | Score |
|---|---|---|
| 1 | Peter Hanson | -5 |
| T2 | Marc Leishman | -4 |
| T2 | David Duval | -4 |
| T2 | Tim Wilkinson | -4 |
| T4 | Ryan Palmer | -3 |
| T4 | Boo Weekley | -3 |
| T4 | John Huh | -3 |
| T4 | Tyrone VanAswegen | -3 |
| T4 | Alex Cejka | -3 |
| T4 | Marin Kaymer | -3 |
| T4 | Alex Prugh | -3 |
| T4 | Lee Williams | -3 |
