Baseball:
- The Philadelphia Phillies and Athletics 1940/50s
- Baltimore Orioles and in 2019, with the Os floundering for many years, the
- World Champion Washington Nationals 2019
Basketball:
- The Philadelphia 76ers 1940/50s
- The Baltimore Bullets who became the Washington Wizards
Football:
- The Philadelphia Eagles 1940s
- The Baltimore Colts and then the relocated Cleveland Browns who became the 1960s
- Baltimore Ravens 2000s after the Colts moved, in the middle of the night, to Indianapolis, IN 1984