Round 3 at 2012 Byron Nelson Championship

1 of 5 Darren Carroll/Getty Images
Jason Dufner shot a one-under 69 to grab a one-shot lead heading into the final round.
2 of 5 Darren Carroll/Getty Images
Jason Day is one shot back after missing a short putt on 18.
3 of 5 Darren Carroll/Getty Images
Matt Kuchar made four birdies, four bogeys and a double bogey.
4 of 5 Fred Vuich/SI
Keegan Bradley was in the hunt until a triple bogey on No. 11.
5 of 5 LM Otero/AP
Dicky Pride made three birdies and two bogeys to finish one shot back.