MIT physicist Aaron Leanhardt has been credited with creating the torpedo bats. Leanhardt previously served as a hitting analyst with the Yankees before he joined the Miami Marlins as a field coordinator in the offseason.

At that point, the Yankees were already four home runs into a historic nine-homer barrage that resulted in a 20-9 blowout. They concluded the three-game sweep with 15 homers to tie the MLB record for the most long balls through a team's first three games.

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.