Just what’s so special about this bat? Researchers say the design isn’t just about powering balls out of the park. Instead it’s a matter of accuracy and finesse, of letting players maneuver ...

MLB's torpedo bat has taken the league by storm this season. Which teams and players have used it? Here's a tracker.

There's more wood mass concentrated in the area where bats are most likely to make contact with pitched balls -- six inches or so closer to the batter's hands -- but the bats conform to MLB rules.