Dustin Johnson’s hold at the summit of the world rankings was coming under threat from the chasing pack, until he won the first event of 2018 on Sunday.

At the Sentry Tournament of Champions, Johnson stormed to an eight shot victory and increased his lead over Jordan Spieth in second from 1.2 points to 2.2 points.

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Jon Rahm was the closest man to the world-number-one in second; he has now overtaken Justin Thomas into third in the world, his highest ever ranking.

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There are no further movements in the top 10 but after racking up a tied fourth finish in Hawaii, Pat Perez leapfrogs Tyrrell Hatton, Tommy Fleetwood and Alex Noren into 16th.

Brian Harman was one place ahead of Perez in solo third. His reward is a four-place hop to 23rd. Elsewhere there are small jumps for Jhonattan Vegas (44th to 39th) from tied seventh, Siwoo Kim (42nd to 37th) from 10th, Chris Stroud (189th to 161st) and Billy Horschel (70th to 66th) from tied 11th, and Patton Kizzire (121st to 105th) and Patrick Cantlay (38th to 35th) from tied 15th.

The full, updated, rankings can be found here.

The European Tour joins the PGA Tour in returning this week, meaning twice the big events and twice the world ranking stakes.

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