Why Do Bats Have Dimples?

As a conventional bat moves through the air, it pushes most of that air out of its way and produces a considerable amount of drag. The qualities of the dimpled bat allow more of the air to flow around the contour of the bat, leaving less air to be pushed and thereby reducing drag, he said.

Will dimple balls hurt my bat?

Even composite and aluminum bats are vulnerable to damage from dimple rubber balls. Composite bats in particular, as batting cage balls can break composite fibers reducing the pop and effectiveness.

Why is there a dimple at the end of a baseball bat?

By cupping out the end, that will remove any unnecessary weight that is toward the end of the barrel and allow a player to have more control and give them quicker swing speeds. Quicker swing speed translates into increased exit velocity and further ball flight.