2017 DP World Tour Championship winner Jon Rahm is on top of the leaderboard after the opening round of the World Golf Championships-Fedex St. Jude Invitational.
The Spaniard matched his career best round of 62 to lead five players including Bubba Watson and Hideki Matsuyama by three shots.
Meanwhile two-time Omega Dubai Desert Classic winner Rory McIlroy finished on one under par, seven behind Rahm.
The second round from Memphis Tennessee gets underway on Friday night.

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