But the development of the uniquely shaped piece of lumber — it looks more like a bowling pin than a traditional bat, with a thicker middle and tapered end — wasn't the result of a life spent around the game.

Many of the Yankees used torpedo bats while posting historic numbers this weekend. Here's how the team started using the oddly-shaped bats and why they're legal.

While Aaron Judge rocked three homers using his normal bat, a number of Yankees opted for the Torpedo bat, which was designed in part by former Massachusetts Institute of Technology physicist Aaron Leanhardt and are notable for being densest at the barrel, or the "sweet spot" of the bat.