Tiger Woods, who returns to action this weekend at the Memorial, held steady atop the rankings and he was trailed by Phil Mickelson, Jim Furyk, Adam Scott, Ernie Els, Vijay Singh, Henrik Stenson and Geoff Ogilvy.
Luke Donald and two-time U.S. Open champion Retief Goosen exchanged places with Donald up to No. 9 this week. Padraig Harrington, Sergio Garcia and Masters winner Zach Johnson remained 11th through 13th.
Sabbatini was trailed by Trevor Immelman and Paul Casey, who each slipped a notch.
Justin Rose was a playoff loser to Anders Hansen at the BMW PGA Championship at Wentworth, but even with the loss, Rose jumped 11 spots to 17th this week.
Stewart Cink stood pat at 18, while Charles Howell III and Steve Stricker were both down one place to 19 and 20. Nick O'Hern was also down a spot to slip out of the top 20 to 21st.
Hansen soared 102 places to 49th this week and in doing so qualified for the U.S. Open.