The question “how many innings were played last night” is incomplete, because it does not specify which game, league, or teams you are asking about, and many different baseball games can be played on the same night, each with its own number of innings.

Clarifying the question

To give a precise answer, it is necessary to know at least:

  • The teams or event (for example, Yankees vs. Red Sox, World Series Game 3, or a specific college or local league matchup).
  • The date and league (MLB regular season, playoffs, winter league, or another competition).

Without those details, any specific number of innings would be a guess, because:

  • Different games on the same night can have different lengths (standard 9 innings, extra innings, or shortened games).
  • Multiple leagues (MLB, winter ball, college, minors) can all be active on the same calendar date.

How you can get an exact answer

If you share a bit more information, a clear answer becomes possible:

  • Name the teams that played.
  • Mention the league (MLB, minor league, college, winter league, etc.).
  • Confirm the date if “last night” might be ambiguous in your time zone.

For now, with no specific game identified, an accurate and complete inning count for “last night” cannot be given.