pinch hitter   (ピンチヒッター)

He made his MLB debut August 20 as a pinch hitter.

He appeared in 59 games for the Brewers, mostly as a pinch hitter.

He was also used quite often as a pinch hitter throughout his career.

pinch runner   (ピンチランナー)

He also got into one game as a pinch runner.

He played in two games of the 1984 World Series against the Detroit Tigers, serving as an outfielder and pinch runner.

In his Boston tenure, he was used mostly as a pinch runner or day-off replacement for infielders Pete Runnels and Don Buddin.

pinch hit   (ピンチヒット)

This prompted Haney to pinch hit Adcock for Torre.

Then, Stengel again opted to pinch hit for the pitcher, Bob Grim.

In the top of the seventh inning, Bill Renna pinch hit for Verdi.