Byrd finished one shot ahead of David Toms and three shots clear of Phil Mickelson for his first career win on the PGA Tour. With the victory, Byrd became the 17th first-time winner on the PGA Tour this season.
Tiger Woods stayed put atop the rankings. The No. 1 player in the world will be seeking another record this week as he attempts to become the first player to win multiple Tour Championships. Woods was followed by Mickelson, Ernie Els and Retief Goosen.
Sergio Garcia remained in the fifth place while Toms climbed one position to sixth. Padraig Harrington, who trails Goosen in the race for the European money title, fell one spot to seventh. Vijay Singh, Davis Love III and Jim Furyk kept their positions from last week to round out the top 10.
Nick Price held on to the 11th ranking, followed by Chris DiMarco. Colin Montgomerie climbed one space to 13th while Angel Cabrera also moved up one to 14th. David Duval in turn dropped two rungs to No. 15.
Michael Campbell jumped two spots to 16th, followed by Justin Leonard, who stayed put at 17th. Bob Estes fell two places to No. 18 while Robert Allenby climbed five spots to No. 19. Eduardo Romero held his 20th ranking from last week.
Rocco Mediate, ranked 19th last week, dipped four places to No. 23.
Steen Tinning earned his second career victory on the European Tour this week at the Telefonica Open de Madrid, vaulting the Dane up 110 places to No. 132 in the world.