batting order; batting lineup
Baseball term for the sequence in which players come to bat.
The manager set today's batting order.
Today's batting order hasn't been announced yet.
監督は打順を組み替えた。
The manager rearranged the batting order.
9回に彼の打順が回ってきた。
His turn at bat came around in the ninth inning.
The manager changed the batting order partway through the game.
He was entrusted with the cleanup (4th) spot in the batting order.
打順 refers to the numbered sequence of batters, while 打線 refers to the batting lineup as a collective force (e.g. a 'strong 打線').
打順 is the order batters hit in, while スタメン (starting members) just means who starts the game, without specifying batting order.
打席 refers to a single turn at bat or the batter's box, while 打順 refers to the fixed order in which players bat.
打線 refers to the batting lineup as a whole unit (its overall strength or flow), while 打順 refers to an individual player's specific position within that order.
Compound of 打 (da, 'batting') and 順 (jun, 'order').