In 1979 he returned to the CCBL as manager of the
Cotuit Kettleers. Greer led the Kettleers to three league titles between 1979 and 1987, and managed several future major leaguers including
Will Clark,
Ron Darling,
John Franco, and
Joe Girardi. In 2002, Greer was inducted into the
CCBL Hall of Fame. Greer served as the coach of the
Davidson Wildcats from 1982 to 1987 and for the
Wake Forest Demon Deacons from 1988 to 2004. With Wake Forest, he had a 608–382–4
win–loss record. He joined the
New York Mets organization as a minor league manager. He joined the Cardinals as a minor league baseball coach in 2015. He was promoted to the major league coaching staff on July 15, 2018. The Cardinals opted not to renew Greer's contract after the 2019 season. ==Personal==