Former physics professor Aaron Leanhardt is credited with the popularization of the lumber used by several New York Yankees during the team’s 15 home run opening series.

The baseball world has been watching as the New York Yankees unleash an unprecedented home run display, particularly in their recent game against the Milwaukee Brewers. This article delves into the phenomenon of players using torpedo bats,

"I think it’s an amazing discovery," said Angels outfielder Taylor Ward, one of many players suddenly interested in the new bats.

And while the testing out of those bats across the sport appears ready to spread like wildfire — the bats have been a hot topic for two days now in 29 other clubhouses, and ESPN reported during its Sunday Night Baseball broadcast that Atlanta already had ordered a supply — it very much remains to be seen just how widespread their use will become.

The Yankees took the baseball world by storm after tying an MLB record with 15 home runs through three games with multiple players using torpedo bats.

There's been some buzz in the MLB world over the bowling pin-shaped bats for longer than this winter, with some teams and players experimenting with them. If you need to keep track of who's using them and who isn't -- Aaron Judge turned it down given how good he is at hitting baseballs without the help of an enlarged label area of the bat -- we've got you covered with a running list of who's a torpedo bat user.