All the baseball teams are identified by their city but never by their nicknames. Even the home team uniforms, which should have the team nicknames, list the city instead. The reason is because the commissioner of baseball, Happy Chandler, would not sanctioned the movie because of the cheating element in the movie. So 20th Century could not use the the name of the teams or even use cameo baseball player walk ons like the studio wanted to do.
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