| Description | Slang |
| A line drive that doesn't change height after initial contact | |
| An outstanding catch by a fielder | |
| When a batter hits the ball hard | |
| The fourth batter in the lineup | |
| A home run | |
| Refers to a good fastball | |
| A brief stay in the majors | |
| A player who fills in at many positions | |
| The alley between outfielders | |
| The highest level in the stadium seating area | |
| A soft ground ball that finds its way between infielders for a base hit | |
| A pitch hit for a home run | |
| An amateur play or behavior | |
| When a batter hits a single, double, triple and home run in the same game | |
| A double play going from third to second to first | |
| When a fielder catches a ball with his glove near belt level | |
| Batter whose job is to get on base for other hitters to drive him in | |
| A hitter's power zone | |
| The batter after the on-deck hitter | |
| Third base | |
| A team's best starting pitcher | |
| A fly ball that is an easy catch by a fielder | |
| A running catch made just above the fielder's shoe tops | |
| Pivot men at second base will get the force out call by the umpire if their foot is close to the base before they throw to first | |
| A batting average of .200 | |