PONTE VEDRA BEACH, Fla. (AP) - A look at the 57 times there has been a change at No. 1 in the world ranking, and what the players did the week they reached No. 1:
April 6, 1986 - Bernhard Langer: Did not play.
April 27, 1986 - Seve Ballesteros: Runner-up in the Madrid Open.
Sept. 14, 1986 - Greg Norman: Won the European Open.
Nov. 22, 1987 - Seve Ballesteros: Tied for third in the Dunlop Phoenix in Japan.
Nov. 29, 1987 - Greg Norman: Won the Australian Open.
Oct. 30, 1988 - Seve Ballesteros: Runner-up in the Volvo Masters.
Nov. 6, 1988 - Greg Norman: Lost in a playoff at the Australian PGA Championship.
Nov. 13, 1988 - Seve Ballesteros: Won the Taiheiyo Masters
March 26, 1989 - Greg Norman: Tied for second in the USF&G Classic in New Orleans.
April 2, 1989 - Seve Ballesteros: Tied for third in the Houston Open.
Aug. 20, 1989 - Greg Norman: Won The International.
Sept. 2, 1990 - Nick Faldo: Did not play as he recovered from a wrist injury
Oct. 14, 1990 - Greg Norman: Did not play.
Feb. 3, 1991 - Nick Faldo: Did not play.
April 7, 1991 - Ian Woosnam: Did not play.
March 22, 1992 - Fred Couples: Won the Nestle Invitational at the Bay Hill.
March 29, 1992 - Nick Faldo: Tied for second at The Players Championship.
April 5, 1992 - Fred Couples: Did not play.
July 19, 1992 - Nick Faldo: Won the British Open.
Feb. 6, 1994 - Greg Norman: Won the Johnnie Walker Classic in Thailand.
Aug. 14, 1994 - Nick Price: Won the PGA Championship.
June 18, 1995 - Greg Norman: Runner-up at the U.S. Open.
April 20, 1997 - Tom Lehman: Tied for fourth at the MCI Classic at Hilton Head.
April 27, 1997 - Greg Norman: Runner-up in the Spanish Open.
June 15, 1997 - Tiger Woods: Tied for 19th in the U.S. Open.
June 22, 1997 - Ernie Els: Won the Buick Classic.
June 29, 1997 - Greg Norman: Won the FedEx St. Jude Classic.
July 6, 1997 - Tiger Woods: Won the Western Open.
Sept. 7, 1997 - Greg Norman: Runner-up at the Canadian Open.
Jan. 11, 1998 - Tiger Woods: Tied for second in the Mercedes Championship.
April 12, 1998 - Ernie Els: Tied for 16th in the Masters.
May 10, 1998 - Tiger Woods: Won the BellSouth Classic.
May 17, 1998 - Ernie Els: Tied for 63rd in the Byron Nelson Classic.
June 14, 1998 - Tiger Woods: Did not play.
March 28, 1999 - David Duval: Won The Players Championship.
July 4, 1999 - Tiger Woods: Won the Western Open.
Aug. 8, 1999 - David Duval: Did not play.
Aug. 15, 1999 - Tiger Woods: Won the PGA Championship.
Sept. 6, 2004 - Vijay Singh: Won the Deutsche Bank Championship.
March 6, 2005 - Tiger Woods: Won the Ford Championship at Doral.
March 20, 2005 - Vijay Singh: Lost in a playoff at the Bay Hill Invitational.
April 10, 2005 - Tiger Woods: Won the Masters.
May 22, 2005 - Vijay Singh: Did not play.
June 12, 2005 - Tiger Woods: Did not play.
Oct. 31, 2010 - Lee Westwood: Did not play.
Feb. 27, 2011 - Martin Kaymer: Runner-up in the Accenture Match Play Championship.
April 24, 2011 - Lee Westwood: Won the Indonesian Masters.
May 29, 2011 - Luke Donald: Won the BMW PGA Championship at Wentworth.
March 4, 2012 - Rory McIlroy: Won the Honda Classic.
March 18, 2012 - Luke Donald: Won the Transitions Championship at Innisbrook.
April 15, 2012 - Rory McIlroy: Did not play.
April 29, 2012 - Luke Donald: Finished third at the Zurich Classic in New Orleans.
May 6, 2012 - Rory McIlroy: Lost in a playoff at the Wells Fargo Championship.
May 27, 2012 - Luke Donald: Won the BMW PGA Championship at Wentworth.
Aug. 12, 2012 - Rory McIlroy: Won the PGA Championship.
March 25, 2013 - Tiger Woods: Won the Arnold Palmer Invitational at Bay Hill.
May 19, 2014 - Adam Scott: Did not play.
Please read our comment policy before commenting.