HP Byron Nelson Championship 2014. PGA Tour

1 of 11 Tony Gutierrez/AP
Martin Kaymer got off to a good start fresh off his win at the Players Championship.
2 of 11 Tony Gutierrez/AP
Kaymer was two back after a 67.
3 of 11 Tony Gutierrez/AP
Peter Hanson took a one-stroke lead.
4 of 11 Tony Gutierrez/AP
Hanson shot a 65 on day one.
5 of 11 Sam Greenwood/Getty Images
Jordan Spieth couldn't muster his usual magic and finished at even par.
6 of 11 Tom Pennington/Getty Images
Aaron Baddeley shot a two-under 68.
7 of 11 Tom Pennington/Getty Images
Dustin Johnson had a 69 on Thursday.
8 of 11 Sam Greenwood/Getty Images
Vijay Singh matched Johnson's 69.
9 of 11 Sam Greenwood/Getty Images
Louis Oosthuizen was with a large group at two under.
10 of 11 Tom Pennington/Getty Images
It wasn't an ideal day for Sang-Moon Bae. He had a 73.
11 of 11 Sam Greenwood/Getty Images
Sean O'Hair shot a 69.