After taking cannabis to deal with a mental health condition, Matt Every has been handed a 12-week ban.
A three-shot swing on the 18th helped Danny Lee earn a share of the lead with Justin Thomas after the third round of the CJ Cup.
Seven-time PGA Tour champion Brooks Koepka, who claimed last year's title after carding an impressive 21 under, withdrew from the CJ Cup.
American star Justin Thomas used a bogey-free second round to surge to the top of the CJ Cup leaderboard.
Justin Thomas would take Tiger Woods "100 times out of 100" and wants him to name himself as a captain's pick for the Presidents Cup.
Rory McIlroy's lack of majors over the past five years means world number one Brooks Koepka does not view him as a rival.