pinch runner

US /ˈpɪntʃ ˌrʌn.ər/
UK /ˈpɪntʃ ˌrʌn.ər/
"pinch runner" picture
1.

ピンチランナー, 代走

a baseball player who is substituted for another player on base, usually to provide more speed on the basepaths

:
The coach sent in a pinch runner to steal second base.
監督は二塁を盗むためにピンチランナーを送った。
The veteran catcher was replaced by a speedy pinch runner.
ベテラン捕手は足の速いピンチランナーに交代した。