noun
pickoff throw; pickoff attempt
Baseball term for a throw by the pitcher or catcher to a base to catch a runner off base.
ピッチャーが一塁に牽制球を投げた。
The pitcher threw a pickoff throw to first base.
牽制球でランナーをアウトにした。
They got the runner out with a pickoff attempt.
Compound of 牽制 (けんせい, 'check, restraint') and 球 (きゅう, 'ball'), literally 'check ball'.