The league would begin to supplant baseball as America's most popular spectator sport in 1958, when the then-NFL Championship Game between the then Baltimore Colts and the [[New York Giants]] was broadcast nationwide (though ironically not in New York City) and ended in a sudden-death overtime win by the Colts. As a result, several NFL franchises are among the most valuable in the world, even surpassing the European soccer clubs. | The league would begin to supplant baseball as America's most popular spectator sport in 1958, when the then-NFL Championship Game between the then Baltimore Colts and the [[New York Giants]] was broadcast nationwide (though ironically not in New York City) and ended in a sudden-death overtime win by the Colts. As a result, several NFL franchises are among the most valuable in the world, even surpassing the European soccer clubs. |