Simpson's one of several players who has passed on FedEx Cup Playoffs events in the past for more rest. Tiger Woods, Jim Furyk, Shane Lowry and Tommy Fleetwood are among those who have without penalty.

Rory McIlroy, surprising everyone (primarily Peter Malnati, one of the Tour's player directors, who said he was "very concerned" about the Northern Irishman's decision—Editor's note), has announced his intention not to play in Memphis.