Brendon Todd led the way after the third round of the Travelers Championship.
The US President phoned in as McIlroy played in a Sunday fundraiser for coronavirus victims.
Seminole event will take place on May 17.
Dustin Johnson has made the surprise decision to split from swing coach Claude Harmon, less than two weeks away from the US Open.
Dustin Johnson's runner-up finish to Brooks Koepka at the PGA Championship on Sunday was just the latest of a number of near misses.
He nearly let it slip, but Brooks Koepka was able to shrug off a string of bogeys and successfully defend his PGA Championship title.
Dustin Johnson is seven shots behind friend and fellow American Brooks Koepka as the PGA Championship heads in to Sunday.
Not even a final-round capitulation at the RBC Heritage on Sunday could prevent Dustin Johnson from staying on top of the world rankings.
Dustin Johnson will take a slender one stroke lead into the final round of the RBC Heritage on Sunday.