The Masters champion Phil Mickelson needs only to win to become the World's No.1 ranked player with a victory at the Colonial this week and to become the 13th player to occupy No. 1 since McCormack, the late founder of IMG, devised the ranking system in 1986.

Tiger Woods along with his 14 majors, 82 official victories and more than $100 million in earnings worldwide. Whereas, Mickelson has never been No. 1 at anything in a career that has been second to one. Despite his 40 worldwide victories and four majors, he has never won the money list, player of the year.

Last year, defending champion Phil Mickelson withdrew from Colonial after his wife, Amy, was diagnosed with breast cancer, barely a week before the commencing of the tournament.

Crowne Plaza Invitational Golf tournament at Colonial is taking place from Thursday May 27 to Sunday May 30. Defending champion No. 4 Steve Stricker is again one of the strongest likely to be winner here. Golfers Angel Cabrera, Paul Casey, Stewart Cink, Clark, John Daly, Lucas Glover, Hunter Mahan, Kenny Perry, Vijay Singh, Henrik Stenson and Y.E. Yang are all scheduled to compete in $6,200,000 Colonial PGA tour.