Expansion set of fictional players, umpires, and ballparks, based on 1940s era baseball, for History Maker Baseball. The Century League Card Set contains 252 cards, enough for eight to ten teams. You can arrange the players any way you like, or you can use the numerical team assignments we've included on each card. The set also gives you 32 different umpires and a set of eighteen different ball park cards, each with its own unique set of qualities.