Campbell birdied the first playoff hole after a rain delay to defeat Thomas Bjorn and Peter Hedblom and win the Irish Open. Campbell leaps 21 spaces to No. 43 in the world.
Tiger Woods took the week off to recover from the British Open, but remained the No. 1 player in the world. He held on to the top spot for the 207th consecutive week.
Ernie Els, who teamed with Woods in Monday's prime-time Battle of the Bridges, remains No. 2. That pair will dueled world No. 11 Phil Mickelson and No. 14 Sergio Garcia.
Vijay Singh remained No. 3 in the latest world rankings. He was followed by Mike Weir, Davis Love III, Jim Furyk, David Toms, Kenny Perry and Padraig Harrington, who remained in the fourth through ninth positions, respectively.
Nick Price moved up one notch to No. 10 in the world. Mickelson, once ranked No. 2, dropped one spot to 11th in the updated rankings.
Retief Goosen, Justin Leonard and Garcia stayed put in the 12th through 14th spaces. Robert Allenby and Rich Beem each inch up one slot to No. 15 and 16, respectively. Chris DiMarco slid two places to 17th in the world.
Bjorn, now No. 18, has climbed 31 spots in the past two weeks. Darren Clarke and Bob Estes each fell one slot to 19th and 20th in this week's rankings.
Peter Jacobsen won the Greater Hartford Open to pick up his first victory in eight years on the PGA Tour. That win jumped him 124 positions to No. 106.