Each batter using the new product has a custom torpedo bat; where the greater mass of wood is placed depends on an analysis of where on the bat the batter hits the ball most often.

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"

Mastermind of torpedo batThe mastermind behind the design is Aaron Leanheardt, a former Massachusetts Institute of Technology physicist turned coach for the Miami Marlins. Leanheardt, who introduced the new bat to the Yankees last season before joining Miami,