Jordan Spieth
26 weeks
A three-time major champion, Spieth gained No. 1 status for the first time in August 2015 after finishing second to Jason Day in the PGA Championship. He won the FedEx Cup to conclude the 2015 season.
Sports blog information from USA TODAY.
The Official World Golf Ranking was introduced in 1986. Since its introduction, 21 different players have been ranked No. 1 in the world.
A three-time major champion, Spieth gained No. 1 status for the first time in August 2015 after finishing second to Jason Day in the PGA Championship. He won the FedEx Cup to conclude the 2015 season.