Sorry, Dustin Johnson. You had a good run.

Johnson, thanks to his supernatural start to 2017, entered the year's first two majors as the overriding favorite. (Of course, the World No. 1 failed to make the weekend in either event, having to withdraw from the Masters due to a Wednesday injury and missing the cut at Erin Hills.) The same applied to the Open Championship, where DJ has hovered around 10/1 odds for the past month.

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However, in the latest update from Westgate Las Vegas SuperBook for this week's action at Royal Birkdale, Johnson's relatively quiet summer has dropped those odds to 12/1, a figure that loses his singular grasp on the favorite title. That designation Johnson now shares with Jordan Spieth, whose victory at the Travelers Championship has galvanized the public's gambling investment in the 23-year-old.

Coming in behind Johnson and Spieth are Sergio Garcia, Rickie Fowler and Jon Rahm, all at 15/1 odds. Other notable names include Rory McIlroy (20/1), defending champion Henrik Stenson (25/1), Phil Mickelson (30/1) and Justin Thomas (40/1).

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