Baseball term referring to a pitcher's ability to throw strikes and locate pitches precisely. Often used in phrases like 制球力 (control ability) or 制球が良い/悪い (good/poor control).
See also: 制球力
He has good control and gives up few walks.
This pitcher is struggling with his control.
His control fell apart in the ninth inning, and he walked batter after batter.
That pitcher has good control, so he doesn't walk many batters.
He worked on improving his control during the off-season.