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| Baseball is a bat-and-ball sport played between two teams of
nine players each. The goal of baseball is to score runs by
hitting a thrown ball with a bat and touching a series of four
markers called bases arranged at the corners of a ninety-foot
square, or diamond. Players on one team (the offense) take turns
hitting while the other team (the defense) tries to stop them
from scoring runs by getting hitters out in any of several ways.
A player on offense can stop at any of the bases and hope to
score on a teammate's hit. The teams switch between offense and
defense whenever the team on defense gets three outs. One turn
on offense for each team constitutes an inning; nine innings
make up a professional game. The team with the most runs at the
end of the game wins.