Watson defeated Webb Simpson on the second extra hole Sunday in picking up his second title of 2011. This one moved him from 16th to No 10 in the world rankings.
Lee Westwood, also a winner last week, taking the championship of the European Tour's stop in South Korea, is No. 1 in the world with a rankings average of 8.22 while Martin Kaymer is second at 7.55, Luke Donald (7.28) remains third and Phil Mickelson (6.55) is fourth.
Graeme McDowell (5.65) is fifth but his Northern Ireland countryman Rory McIlroy edged past Tiger Woods for sixth. Both have averages of 5.54 but McIlroy has played more tournaments.
After Woods in seventh is No. 8 Paul Casey (5.49) and No. 9 Steve Stricker (5.34). Watson's average of 5.24 put him 10th, forcing Matt Kuchar out of the Top 10.