also: ワン・ポイント・リリーフ
relief pitcher brought in to face one batter
Baseball term for a relief pitcher who enters the game specifically to face a single batter, often to exploit a lefty-lefty or righty-righty matchup.
wasei-eigo (Japanese-coined English), from one-point relief
The manager sent in a one-point relief pitcher to get the left-handed batter out.
The role of a one-point relief pitcher is to get just one batter out.
The manager brought him in as a one-point relief pitcher to face the left-handed batter.
He came in as a one-point reliever in the ninth and got just the one batter out.