ballgame

noun

• Any game played with a ball.

  "Basketball, cricket, and football are three kinds of ball game."

• A specific contest or match between teams playing such a game, in particular a baseball game.

  "George and Harriet went to the stadium to see the ball game."

• A sport played in the Aztec and Mayan civilizations; Mesoamerican ballgame.

  "The ball game was the main sport in Central America before the arrival of the Spanish."

• Affair, issue, matter, subject, story, topic.