A. The first football card set was released by the Goudey Gum Company in 1933. B. The set featured only three football players. C. They were Red Grange, Bronko Nagurski, and Knute Rockne.

Answer: Released by the Goudey Gum Company in 1933, the first football card set featured only three players: Red Grange, Bronko Nagurski, and Knute Rockne.