Franchise context: The write-up below is from the parent franchise article (anime, book series, or IP) rather than the card game itself. A dedicated CCG profile has not been written yet.
Play Ball is a Japanese manga series written and illustrated by Akio Chiba. It was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from 1973 to 1978, with its chapters collected in twenty-two tankōbon volumes.