It does not take rocket science to understand a hitter such as Aaron Judge hits a baseball with great ferocity. But, as analytics continue to evolve, terms such as exit velocity continue to force their way into data banks and in mainstream media. If one does not understand exit velocity, here’s a primer.

Starting with a definition, according to Statcast, exit velocity measures the speed of the baseball as it comes off the bat, immediately after a batter makes contact. It’s tracked for all batted ball events (BBE) including outs, hits and errors.

For hitters, a high exit velocity, ideally at 95 MPH or higher, tends to yield positive results. Of course, former players can attest some of their best batted balls do not translate to hits when their an “at ‘em” ball, but the higher the exit velocity, the better chance for a positive result. Especially when elevated at the right launch angles.

Not only does exit velocity identify players with the ability to make hard contact, it...