Tommy Fleetwood made seven birdies in a round without bogey
Tommy Fleetwood of England scored one goal on seven players under 65, sharing the lead of the Players Championship with Keegan Bradley after the first run at Sawgrass.
Fleetwood, 28, has hit six birdies in his last nine holes, coming home in 30 shots, one of that tournament record.
American Bradley has made six birdies, an eagle and a bogey in Florida.
They have a chance ahead of the South Korean Byeong-hun An and the American Brian Harman, while the Briton of Northern Ireland Rory McIlroy is a little further back.
McIlroy has managed a 67-game without Boguey 67 and is tied for fifth place with Americans Vaughn Taylor and Ryan Moore.
"I played really well all day, except that I managed a poor start on the 14th and I got out of it," Fleetwood told Sky Sports.
"The course does not really put you at ease, you always struggle to make an effort to become a pair.This is one of the courses that is the ultimate test of golf.
"I've played well here in the past and if I drive it well, it's a huge key to me." Driving is a force for me normally and if you put it all the time in the game, you have a big advantage. "
England's Matt Wallace and Ian Poulter have both been carded under 69, alongside world number-one Dustin Johnson and Spain's Jon Rahm and Sergio Garcia.
Tiger Woods is tied with Scotland's Russell Knox, England's Matthew Fitzpatrick and Australian winners Jason Day and Adam Scott.
The fourteen-time major champion, who retired from the recent Arnold Palmer Invitational with a sprained neck, had an irregular run of 70, hitting six birdies and four bogeys.
World number two, Justin Rose, is tied with compatriot Tyrell Hatton and Americans Phil Mickelson and Rickie Fowler.
Danny Willet is a shot further back, while Paul Casey struggled, hitting a 78 to six.