The Office of the Commissioner of Baseball announced today that three Minor League players have been suspended following their violations of the Minor League Drug Prevention and Treatment Program. San Francisco Giants Minor League left-handed pitcher Drew Bostic, who is currently on the roster of the Single-A Salem-Keizer Volcanoes of the Northwest League, has received a 50-game suspension without pay after testing positive for Ritalinic Acid, a stimulant in violation of the Program. Los Angeles Angels Minor League shortstop Keith Grieshaber, who is currently on the roster of the Single-A Inland Empire 66ers of the California League, has received a 100-game suspension without pay following a third positive test for a drug of abuse in violation of the Program.