noun, noun or participle which takes 'suru', intransitive verb
going down in order; three-up, three-down
Baseball term for an inning where the batting side is retired without any runner reaching base; often used in the phrase 三者凡退 (three batters retired in order).
初回を三者凡退に抑えた。
He retired the side in order in the first inning.
エースは
The ace got off to a great start with a 1-2-3 inning.