noun
pitch speed; speed of a pitched ball
Baseball term for the velocity of a pitch, often measured in km/h. Used in commentary, scouting, and player analysis.
彼の球速は150キロを超える。
His pitch speed exceeds 150 km/h.
球速が落ちてきたので、変化球を多めに投げている。
Since his pitch speed has dropped, he's throwing more breaking balls.