Officers for the Pinellas County Sheriff's Office arrested Gillies on Aug. 20 in Clearwater, Fla., on a felony charge of cocaine possession.
He is free on $2,000 bond.
The Phillies previously said in a statement, "Because this is an open case, we will not comment further at this time."
Gillies' lawyer, J. Kevin Hayslett, could not be reached for comment. Hayslett has represented high-profile clients inclding Hulk Hogan's son, Nick Bollela.