A "pinch hitter" is a term commonly used in baseball to refer to a substitute player who replaces another player at bat, usually to give a better chance of scoring. Full definition
Don Drysdale and Don Newcombe, sometimes used as pinch hitters by the Dodgers, share the National League single - season home run record (seven) for pitchers. (si.com)
He was one of the top pinch hitters in baseball, hitting.356 /.396 /.644 in 48 plate appearances, tied for first in MLB with four pinch - hit home runs and second with 13 RBI. (sbnation.com)
Once Flowers returns, I can see the Braves keeping Perez and using Suzuki / Flowers as the primary pinch hitter. (sbnation.com)