George Dallas Green is a former pitcher, manager, and executive in Major League Baseball. After playing for the Phillies and three other teams, he went on to manage the Phillies, the New York Yankees, and the New York Mets, and managed the Phillies when they won their only World Series title in franchise history in 1980. Green had a losing record both as a pitcher and as a manager. He achieved notoriety for his blunt manner. Currently, he is a Senior Advisor to the General Manager for the Phillies.

Green was born in Newport, Delaware. After attending the University of Delaware, he was signed by the Phillies as an amateur free agent.