General
grand slam
What does grand slam mean?
A home run hit while all three bases are occupied, scoring four runs, the most possible on a single play.
"Down by three, he cleared the bases with a walk-off grand slam."
Origin
American baseball, borrowed from the card game bridge where a grand slam wins every trick.
Frequently asked questions
What is a grand slam in baseball?
A grand slam is a home run hit with all three bases occupied, scoring four runs — the most possible on a single play.
Where does the term 'grand slam' come from?
It was borrowed from the card game bridge, where a grand slam means winning every trick.
How many runs does a grand slam score?
Four runs — the batter plus the three baserunners all score.
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