Philadelphia, PA (Sports Network) - Jason Dufner's second PGA Tour win in three weeks came Sunday at the Byron Nelson Championship and it moved him to 14th in this week's world rankings.

Dufner shot up seven places this week.

Rory McIlroy remained in first, followed by Luke Donald, Lee Westwood, Bubba Watson, Matt Kuchar, Hunter Mahan, Tiger Woods and Steve Stricker. Phil Mickelson moved up one to ninth, followed by Justin Rose, who climbed two to 10th.

Martin Kaymer slid two to 11th and Webb Simpson fell one to 12th. Adam Scott held on to 13th this week, followed by Dufner. Louis Oosthuizen, Charl Schwartzel and Jason Day each dipped one as Graeme McDowell, who was the runner-up at the Volvo World Match Play Championship, rose two to 18th.

Dustin Johnson and Rickie Fowler both sank two to round out the top 20.

Nicolas Colsaerts won the Match Play event in Spain and rocketed up 19 to No. 32.

05/21 15:46:34 ET