Third Round of the Barclays

1 of 7 Rich Schultz/AP
Third Round of the BarclaysKevin Streelman shot a three-under 68, and he finished with a one-shot lead after Steve Stricker and Hunter Mahan collapsed.
2 of 7 Chris Condon/PGA TOUR/Getty Images
Steve Stricker fell apart on the back nine, making four bogeys and a triple bogey for a 43.
3 of 7 Mel Evans/AP
Hunter Mahan, playing with Stricker, also had trouble on the back nine. He shot a three-over 74.
4 of 7 Chris Condon/PGA TOUR/Getty Images
Sergio Garcia had a wild round with six birdies and four bogeys.
5 of 7 Chris Condon/PGA TOUR/Getty Images
FedEx Cup points leader Kenny Perry is only three strokes behind.
6 of 7 Mel Evans/AP
Phil Mickelson has failed to contend this week. He shot a one-over 72.
7 of 7 Rich Schultz/AP
Paul Casey birdied Nos. 13, 14, and 15 on his way to a 69.