Round 2 at 2011 Byron Nelson Championship

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 made five birdies and two bogeys for a 68.
2 of 5 Darren Carroll/Getty Images
 will likely miss his high school graduation on Saturday after making the cut for the second straight year.
3 of 5 Darren Carroll/Getty Images
 made four birdies and a bogey for a 67.
4 of 5 Darren Carroll/Getty Images
 opened with a 64 on Thursday, but he was 10 shots higher on Friday.
5 of 5 Darren Carroll/Getty Images
 is battling an infected fingernail, but he is tied for the lead with Ryan Palmer heading into the weekend.