What exactly is a torpedo bat? How does it help hitters? And how is it legal? Let's dig in. Read:An MIT-educated professor, the Yankees and the bat that could be changing baseball

Among the Yankees hitters who are using it, Anthony Volpe is a model for poor hitters who might see the torpedo bat as hope of becoming a good hitter. He's gained nearly 2 mph in average bat speed and 0.8 mph in average exit velocity.

Developed by a physicist, these bats have their widest part, called the barrel, closer to the player's hands to offer a better chance of hitting the ball on their "sweet spot"