It turned out they’d been designed by an MIT-trained physicist and were tailored to each player’s swing, with the bulge ...

the “torpedo” bat moves wood from the end of the bat down to where a player more often makes contact with the ball. The idea ...

the "torpedo" bat moves wood from the end of the bat down to where a player more often makes contact with the ball. The idea is to adapt the sweet spot accordingly, so every player's bat is unique.