July 15, 1968
Frank Robinson played for the Orioles from 1966-1971 and in his first season with the Orioles, Robinson won the triple crown and the American League MVP award, becoming the only player to win the award in both leagues. He was also a memeber of the 1966 and 1970 World Series championship teams. Robinson returned to Baltimore as the team's manager from 1988-1991, and was named the American League Manager of the Year in 1989. His No. 20 jersey was retired by the Orioles in 1972 and he was elected into the Baseball Hall of Fame in 1982. He finished his career a .294 lifetime hitter with 586 home runs and 1,812 RBIs.