Golfers and spectators enjoyed a beautiful day for the first round of the 2012 Byron Nelson Championship in Irving, Texas on Thursday. American Ryan Palmer also enjoyed the best round of the day.

Palmer shot a 6-under 64 to pace the field and is atop the leaderboard after the first day. Palmer birdied three of the first five holes and shot a 32 on both parts of the course.

Coming off his win at The Players Championship, Matt Kuchar is in the hunt again, tied for fourth at -4. Although the field isn't as talented as The Players, there are some other notables in the tournament. Phil Mickelson is tied for 56th after shooting even par. Padraig Harrington shot a 2-under 68

Here is the top-10:

1. Ryan Palmer (USA) -6, 64

T2. Alex Cejka (GER) -5, 65

T2. Marc Leishman (AUS) -5, 65

T4. Blake Adams (USA) -4, 66

T4. Matt Kuchar (USA) -4, 66

T4. Dicky Pride (USA) -4, 66

T4. Andres Gonzalez (USA) -4, 66

T4. Scott Piercy (USA) -4, 66

T4. Bill Lunde (USA) -4, 66

T4. Charley Hoffman (USA) -4, 66