Reds star Elly De La Cruz is the latest convert, hitting two home runs and knocking in seven runs in his first game with the unique bat.

The torpedo bat's rise has changed the industry for the companies that make them. Here is one bat-maker's story.

The torpedo bats are safely within MLB rules, which dictate only that bats must be “solid wood, round, shorter than 42 inches, and no wider than 2.61 inches,” according to Baseball Prospectus.