Sluggball is hoping to attract former players who want to keep playing baseball, but only by swinging the bat, just like Topgolf on the driving range.

Lofton, a six-time All-Star, four-time Gold Glove center fielder who hit .299 with 2,428 hits and 622 stolen bases in his 18-year career, had just one flaw in his game. He didn’t hit home runs ...