What is "sluggers"

Usage examples of "sluggers".

In a ballpark built for sluggers, he pitched fifty-one innings with an earned run average of 1.

They were snipers, not sluggers, and keeping them well back would also keep her wounded armor away from those godawful lasers.

Louisville Sluggers, fortunately while Wade was in the John, from which he scrambled out a rear door, then into the parking lot, then a further few thousand miles west.