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.

Daniil Medvedev handed Dubai title after Griekspoor withdrawal
England beat New Zealand to keep Pakistan's T20 World Cup hopes alive
Medvedev to face Griekspoor in bid for second Dubai title
Real Madrid face Man City again in Champions League knockouts
India defeat Zimbabwe to revive T20 World Cup hopes