What every bingo square means

A relief pitcher throws a 1-2-3 half-inning — three batters, three outs, all by him.

Any batter hits a double. Reaching second on an error or a fielder’s choice does not count — it has to be scored a double.

Either team leads by five runs or more at some point.

Whoever scored first was never behind at any point afterwards. Pending until the final out.

A team sends nine or more batters to the plate in one half-inning — batting around.

One team collects two doubles across the game.

Two hits in a row, by batters who followed one another in the same half-inning.

Two home runs in a row, by batters who followed one another in the same half-inning.

Two walks in a row, by batters who followed one another in the same half-inning. An intentional walk counts.

The bases are loaded at any point.

A pitcher loads the bases and gets out of the half-inning without a run scoring.

Both starting pitchers reach five strikeouts each.

Both teams hit at least one home run.

Both teams score at least one run.

Both teams score in the same inning — runs in the top and the bottom of one inning.

A relief pitcher records a strikeout — a strikeout by either starter does not count.

Three or more pitchers appear in a single half-inning.

The third out of a half-inning is a called strike three — taken, not swung at.

A batter strikes out looking: the third strike is called, not swung at.

A runner is thrown out attempting to steal a base.

A team trails by three runs or more and then draws level or goes ahead.

An error is charged on any play.

A double play is the third out of a half-inning.

Any one pitcher reaches ten strikeouts.

A single at-bat lasting eight pitches or more.

The game goes to extra innings — any play happens in the tenth or beyond.

A run is driven in during the first inning, by either team.

A batter gets a hit on the first pitch of his at-bat.

Any half-inning in which a team scores five or more runs.

Four or more hits in a single half-inning.

Any half-inning in which a team scores four or more runs.

A run is forced in by a walk with the bases loaded.

A batter walks after the count reached 3 balls and 2 strikes at any point in the at-bat.

The very last play of the game is a strikeout. Pending until the final out — it is not false in the third inning, it is unknowable.

Any home run, by either team.

A home run with the bases loaded — four runs driven in.

A batter is hit by a pitch and awarded first base.

A hit, a walk and a strikeout all happen inside one half-inning.

The lead changes hands late in the game.

The first batter of any half-inning gets a hit.

The first batter of any half-inning reaches base — hit, walk, error, hit by pitch, any way at all.

The first batter of any half-inning draws a walk.

A half-inning in which one side throws thirty pitches or more.

A passed ball is charged to the catcher.

A half-inning of three batters, three outs, nobody reaching base.

A runner is picked off — put out by a throw to the base he was standing on.

A pinch hitter comes to the plate for either side.

A pinch hitter gets a hit.

A half-inning completed on ten pitches or fewer.

More than one pitcher throws in the same half-inning — a reliever comes in mid-inning.

A half-inning ends with a runner left standing on third.

Runners on first and third with second base empty — the corners, as the term is actually used. Bases loaded is a different event and has its own square.

A sacrifice bunt — the batter gives himself up to move a runner along.

A sacrifice fly — a fly ball caught for an out that scores a runner.

Neither team scores in the first inning. This one cannot be judged until the first inning is over, so it sits as Pending until then.

A single at-bat lasting seven pitches or more.

One team is held scoreless through five innings. Pending until the fifth is complete.

Any one pitcher reaches six strikeouts.

A home run with nobody on — exactly one run driven in.

A starting pitcher is still on the mound in the sixth inning.

A runner steals a base and is credited with it.

A half-inning ends with a runner left on second or third.

A pitcher strikes out all three batters he faces in a half-inning.

The third out of a half-inning is a strikeout, with at least one runner on base at the time.

Any one pitcher reaches eight strikeouts.

A team that was not ahead takes the lead.

A batter is intentionally walked — put on base on purpose.

One team reaches ten hits in the game.

A strikeout on exactly three pitches.

Three hits in a row, by three batters who followed one another in the same half-inning.

Three strikeouts in a row, by three batters who followed one another in the same half-inning.

Three or more walks issued in a single half-inning.

Any batter hits a triple — three bases on his own hit, no error involved.

Any one batter finishes with three or more hits.

A home run that drives in exactly three.

Any half-inning in which a team scores three or more runs.

A runner is thrown out at home plate trying to score.

A team that was behind ties the game up.

The game is level at the end of the sixth inning. Pending until the sixth is complete.

Any double play — two outs recorded on one batted ball.

Two or more runners on base with nobody out.

Any one batter drives in two or more runs across the game.

Any one batter finishes the game with two or more hits.

Any one batter hits two or more home runs.

A hit with two already out in the half-inning.

Two or more runs score in one half-inning after the second out.

A run is driven in with two already out.

A home run that drives in exactly two.

Any half-inning in which a team scores two or more runs.

A walk-off that is a home run.

The home team wins with the run that ends the game — a walk-off.

A wild pitch is charged to the pitcher, letting a runner advance.