Ace: Refers to the best pitcher on the team.
Assist: An assist is awarded to a defensive player who touches the ball prior to the out occurs on that play. Note that if a player unintentionally touches the ball and the result of the play is an out, that player still gets an assist.
At Bat: A player's official turn at batting. Not all plate appearances result in an official at bat. If a batter reaches base via a walk, a hit-by-pitch, an error, or interference, or if a batter hits a sacrifice fly or a sacrifice bunt, that turn is considered a plate appearance but not an at bat.
Balk: Refers to when a pitcher commits a rule violation. When a balk occurs, all runners on base are awarded the next base.
Bases Loaded: When there is a runner on the first base, the second base, and the third base.
Bases On Balls: After a hitter gets four balls, he is awarded first base.
Batboy: A boy who takes care of baseball bats and other baseball equipments around a baseball team.
Batgirl: A girl who takes care of baseball bats and other baseball equipments around a baseball team.
Battery: Refers to the pitcher-catcher pair.
Batting Average: A baseball statistic, calculated by dividing the number of hits by the number of at bats.
Beanball: Refers to a thrown ball that hits the batter.
Blown Save: When a relief pitcher fails to hold on to the lead.
Cleanup: Refers to the number four position in the batting order.
Complete Game: Refers to when a single pitcher throws the entire game.
Designated Hitter: In certain baseball formats, the pitcher does not hit. Instead, the designated hitter hits in place of the pitcher.
Double: Refers to a base hit where the batter advances to second base.
Double Play: A play where two outs are recorded.
Doubleheader: When two games are played on the same day.
Earned Run: A run that is scored without an opposing team's error.
Earned Run Average: A baseball statistic, calculated by dividing
Extra Base Hit: A double, triple, or a home run.
Foul Ball: A ball that lands in foul territory. If the count is two strikes, a foul ball does not alter the count. Otherwise a strike is added to the count.
Full Count: Refers to a count of two strikes and three balls. One more strike and the batter strikes out, while one more ball the batter gets a walk.
Grand Slam: A home run with the bases loaded. Four runs score on this play. This is the most number of runs that can be scored on a single play in baseball.
Ground Into Double Play: A ground ball that results in two outs being recorded on that play.
Ground Rule Double: A double is awarded to the batter whose batted ball is fair and leaves the field of play. For example, the ball bounces into the outfield seats.
Hidden Ball Trick: A trick by the defense in baseball where the fielder hides the ball from sight in order to trick the runner into leaving base.
Hit And Run: A tactic in baseball where the runner (usually on first) starts to run when the pitch is thrown, and the batter is obligated to swing at the ball.
Hitting For The Cycle: Refers to a batter who gets at least one single, one double, one triple, and one home run in a game.
Home Run: A base hit where the batter is able to come to the home plate.
Infield Fly Rule: With less than 2 outs and a possible force play at third base (meaning there are runners on first and second bases), an empire can use his judgment to declare the infield fly rule on an infield fly ball. Under this rule, the batter is out, and there is no force play even if the ball is not caught. Without this rule, the fielders can intentionally let the ball drop to initiate a double (or triple) play.
Inherited Runners: The runners on base when the relief pitcher comes into the game.
Inside-The-Park Home Run: A home run where the batted ball did not leave the playing field.
Intentional Walk: A strategy in baseball where the pitcher elects to walk the opposing batter.
Leadoff Hitter: Refers to the number one position in the batting order.
No Hitter: A pitching accomplishment where the pitcher gives up no hit for the entire game.
On Deck: The batter who is due to bat next.
Perfect Game: A pitching accomplishment where all of the opposing batters make an out. In a 9-inning game, this means none of the 27 batters gets on base.
Pinch Hitter: A substitute hitter.
Pinch Runner: A substitute runner.
Pitch Count: There are two meanings: 1) The number of balls and strikes on a hitter. 2) The number of pitches a pitcher has thrown in the game.
Pitch Out: When the defensive team suspects that the offensive team may put its runner(s) on base in motion, either via a straight steal or a hit-and-run, the pitcher can an intentional ball that is far from the home plate, with the idea being that it will give the catcher more time to catch the runner in motion.
Plate Appearance: A batter is awarded a plate appearance when he completes the turn batting by either making an out or getting on base.
Quality Start: A baseball statistic where a starting pitcher goes at least 6 innings in a 9-inning game and gives up 3 earned runs or less.
Runner At The Corners: When there is a runner on first base and third base.
Runs: A run is scored in baseball when a runner crosses home page. The goal of a baseball game is to score more runs than the other team.
Sacrifice Bunt: A bunt that advances runners to the next base is scored as a sacrifice bunt.
Sacrifice Fly: A fly ball that allows a runner to score.
Scoring Position: When there is at least one runner on either second or third base.
Shutout: A pitching accomplishment where the pitcher gives up no run for the entire game.
Single: A base hit where the batter reaches first base.
Starting Pitcher: The pitcher who begins the game.
Strike Out The Side: Refers to a pitcher when he strikes out all 3 batters in an inning.
Switch Hitter: A batter who can either bat from the left side or from the right side. Usually a switch hitter bats left-handed when facing a right-handed pitcher, and bats right-handed when facing a left-handed pitcher.
Triple: Refers to a base hit where the batter advances to third base.
Triple play: A play where three outs are recorded.