Two-time champion Stewart Cink carded a second successive 63 to set the 36-hole record at Harbour Town on Friday.
Cameron Smith birdied three of the final four holes for a career-best 62 to take the opening-round lead at the RBC Heritage.
England's Matt Fitzpatrick posted a flawless round to take a share of the WCG-Workday Championship lead alongside American Webb Simpson.
An unheralded American pair top the leaderboard heading into Friday's second round, while Jordan Spieth is four shots back.
An eight-under 62 saw Nick Taylor into the lead at the Sony Open in Hawaii.
A seven-under 65 gave Paul Casey the Masters lead as Tiger Woods started his title defence strongly.
A brilliant tee shot from Paul Casey set up an eagle which gave him an early Masters lead, while Tiger Woods was going along nicely.
Dustin Johnson, Jon Rahm and Xander Schauffele are among our experts' picks for glory at the U.S. Open.
After an impressive weekend, Jim Herman claimed the Wyndham Championship title by a stroke.
The US PGA Championship belatedly kicks-off golf's 2020 major season and we picked out some top contenders.