Backdoor Slider: A slider that looks outside before cutting back across the plate.
Bat Around: When the first batter of an inning makes has another plate appearance in the same inning. Blown Save: When a relief pitcher fails to close the game and allows the opposing team to take the lead. Cactus League: Spring training that takes place in Arizona.
Battery: Term used to describe the pitcher and the catcher. Called Up: When a player is promoted to the major leagues from the minor leagues.
Earned Run: When a pitcher is responsible for the opposing team scoring a run.
Earned Run Average: How many earned runs a pitcher allows every 9 innings.
Caught Looking: When a batter is struck out without swinging at the third strike.
Caught Napping: An inattentive base runner who is picked off.Cheap Run: When a team scores a run without doing much hitting. Chin Music: A pitch that is thrown at a batter’s head who might be too inside on the plate.Chopper: A ground ball that is hit hard on the dirt and takes a high hop.Choke Up: When a batter grips the bat higher in an effort to increase his bat control. Contact Hitter: A hitter without much power, but who consistently puts the ball in play.Clean Up Hitter: The best power-hitter on the team, who can clean up base runners with his powerful hitting. Count: How many balls and strikes there are, as in “The count is one ball and two strikes.” Cut Off Man: A fielder who takes incoming throws from an outfielder following a hit. Around the Horn: When the fielders throw the ball around from 3rd, to 2nd to 1st during a double play OR when the catcher throws the ball down to third and the fielders toss it around after a strikeout OR when a hitter touches them all after a home run. We breakdown the calculation here: How to Calculate Batting Average.