The St. Louis Cardinals 1984 season was the team's 103rd season in St. Louis, Missouri and the 93rd season in the National League. The Cardinals went 84-78 during the season and finished 3rd in the National League East, 12½ games behind their arch-rivals, the Chicago Cubs. It was also the final season of the Columbia blue road uniforms for the Cardinals.
The team wore the same uniforms for the following season.
It says that this was the last season for their blue uniforms.