Spieth, who had resided at No. 1 for a total of
26 weeks, slid six spots in the latest rankings to No. 51 after
finishing in a tie for 55th place at the Farmers Insurance Open
this past week.
This marks the first time that Spieth has been outside of the
top 50 since he lost a playoff to Patrick Reed as a rookie at
the 2013 Wyndham Championship.
Spieth will attempt to improve his standing at this week's Waste
Management Phoenix Open.
Although the top 10 remained unchanged, No. 2 Rory McIlroy of
Northern Ireland narrowed the gap between himself and Brooks
Koepka for the top spot.
Spaniard Jon Rahm resides in third after his runner-up finish at
Torrey Pines, followed by Justin Thomas, Dustin Johnson, Tiger
Woods, Patrick Cantlay, England's Justin Rose, Xander Schauffele
and England's Tommy Fleetwood.
Tony Finau rose three spots to No. 13 following his tie for
sixth place this past weekend while Australian Marc Leishman
advanced eight spots to No. 20 following his victory in La
Australian Lucas Herbert catapulted from No. 223 to No. 79
following his win in the Dubai Desert Classic on Sunday.
Herbert's title was his first of his professional career.
--Field Level Media
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