World number one Rory McIlroy admitted his form was too inconsistent at the moment.
It was fine outing at the Travelers Championship for Brendon Todd and Dustin Johnson, who enjoyed PGA Tour-bests in round three.
Five-time major champion Phil Mickelson reflected on his second-round performance at TPC River Highlands in Connecticut.
Phil Mickelson tops the leaderboard at the halfway stage of the PGA Tour tournament in Cromwell, Connecticut.
Despite three positive coronavirus tests, Rory McIlroy dismissed those who suggested the Travelers Championship be called off.
Canadian Mackenzie Hughes opened up a three-stroke lead after the Travelers Championship first round.
The RBC Heritage is unlikely to see Rory McIlroy on a regular basis as the world number one thinks other events suit him better.
American Webb Simpson continued his good form this year, winning the RBC Heritage.
World number one Rory McIlroy discussed Nick Watney's positive COVID-19 test following Saturday's third round.
Brooks Koepka is one of 17 players sitting within three shots of Webb Simpson, Tyrrell Hatton, Abraham Ancer and Ryan Palmer.