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"

By now, you’ve probably heard about baseball’s greatest innovation since the curveball: MLB’s new “torpedo” bat, the reconfigured bat that moves the barrel — or the sweet spot — closer to the handle, seemingly turning even the most meager of hitters into home run machines.

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.