Page 10 - My FlipBook

GLOSSARY

anabolic steroids: drugs that promote muscle growth and are sometimes abused by athletes

changeup: a slow pitch in baseball thrown with the same motion as a fastball so as to deceive
the batter

clutch: a high-pressure situation, often late in a game or in the playoffs

commissioner: the executive in charge of a sports league

earned run average (ERA): the average number of earned runs a pitcher gives up per nine
innings

elevation: a measure of how far something is above sea level

exit velocity: the speed at which the ball leaves the bat
full count: when the count to the batter is three balls and two strikes

kinetic energy: the energy of motion

launch angle: the angle at which the ball leaves the bat

line drive: a batted ball hit in a nearly straight line usually not far above the ground
RBI: a run in baseball that is driven in by a batter

slider: a breaking pitch that is faster than a curveball but with less movement

upset: an unexpected defeat

walk-off: ending a baseball game by causing the winning run to score for the home team in the
bottom of the last inning

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