noun
batting eye; pitch judgment
Baseball term for a batter's ability to judge whether a pitch is a ball or a strike. Often used in phrases like 選球眼が良い or 選球眼を磨く.
彼は選球眼が良く、四球が多い。
He has a good batting eye and draws many walks.
選球
You need many at-bats to sharpen your pitch judgment.