During WWII, the NFL lost a lot of players because they left for military service. As a result, by the 1943 NFL season, the Philadelphia Eagles and Pittsburgh Steelers were forced to merge into one team called the Pennsylvania Steagles.
fact
During WWII, the NFL lost a lot of players because they left for military service. As a result, by the 1943 NFL season, the Philadelphia Eagles and Pittsburgh Steelers were forced to merge into one team called the Pennsylvania Steagles.