Glossary of baseball terms
glossary
This is an alphabetical list of selected unofficial and specialized terms, phrases, and other jargon used in baseball, along with their definitions, including illustrative examples for many entries.
0–9
0
"Oh and ..." See count.
1
The number 1 in baseball refers to the pitcher's position, a shorthand call for throwing to first, a single hit, and a fastball sign.
1-2-3 inning
An inning in which a pitcher faces only three batters and none safely reaches a base. "Three up, three down."
1-2-3 double play
A double play in which the pitcher (1) fields a batted ball and throws home to the catcher (2), who retires a runner advancing from third. The catcher then throws to the first baseman (3) to force out the batter. These almost always happen with the bases loaded.
1-6-3 double play
The pitcher (1) fields a batted ball and throws to the shortstop (6) to force out a runner advancing to second. The shortstop then throws to the first baseman (3) to force out the batter.
2
Catcher (2) gets a "Two!" call for throws to second, a "two-bagger" is a double, and the number 2 signs for a curveball.
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