PHILADELPHIA -- Steve Stricker claimed his 10th PGA Tour title on Sunday at the Memorial and jumped four spots to No. 4 in the latest world golf rankings.
For the first time in his career, Stricker is the highest ranked American player.
The top three remained unchanged with No. 1 Luke Donald followed by Lee Westwood and Martin Kaymer. After Stricker, Phil Mickelson dipped one to five and Matt Kuchar inched up a notch to No. 6.
Rory McIlroy was down one to seven, Graeme McDowell slid three to eight and Dustin Johnson jumped five to No. 9.
Johnson's move knocked Paul Casey, Charl Schwartzel, Bubba Watson and Ian Poulter down one spot each. Nick Watney and Tiger Woods exchanged places with Watney up to 14th and Woods down to 15th.
The remainder of the top 20 was unchanged from last week. K.J. Choi held steady at No. 16 and was again trailed by Jim Furyk, Hunter Mahan, Jason Day and Francesco Molinari.
Alexander Noren won the European Tour's Wales Open and jumped 47 places to No. 80 this week.