Manfred did note MLB umpires are "more receptive" to the robot-style system if it were to be adopted, but the next round of collective bargaining negotiations with the players will likely determine which system gets put in use at the big-league level.

Torpedo bats are all the rage this season, and Major League Baseball Commissioner Rob Manfred says he believes all that chatter is good for the game.

In an interview, the commissioner said torpedo bats are good and challenges for balls and strikes are likely on the way.