• Photo Gallery: CareerBuilder Challenge, Round 3

  • Jason Dufner is poised to return to the winner's circle for the first time since 2013 after padding his lead by two strokes with an 8-under performance on Saturday at the CareerBuilder Challenge in partnership with the Clinton Foundation. (Harry How/Getty Images)Jason Dufner is poised to return to the winner's circle for the first time since 2013 after padding his lead by two strokes with an 8-under performance on Saturday at the CareerBuilder Challenge in partnership with the Clinton Foundation. (Harry How/Getty Images)