Sweeper
The sweeper is a type of slider with emphasized horizontal movement.
While traditional sliders often include varying degrees of vertical drop, the sweeper prioritizes lateral break.
It typically has lower velocity than sliders with significant vertical movement and features a spin profile that includes a slight backspin component.
In Major League Baseball, sliders with large horizontal movement are classified as “sweepers,” separating them from sliders with less horizontal movement or more vertical break.
This does not mean the sweeper is a completely new pitch.
Rather, it is a reclassification of existing slider types into two categories.
Generally, sliders with large horizontal movement and minimal vertical drop are called sweepers.
In fact, one could argue that this sweeping version is closer to the “original” concept of a slider, while vertically breaking sliders have evolved into a different variation.
Grip and Release
Place the outside of your middle finger along the narrower part of the seam, with the fingertip firmly on the seam.
The index finger should rest alongside the middle finger without directly engaging the seam.
Generate spin using your wrist and fingers, similar to a fastball.
Keep your wrist firm and slightly turned inward, and deliver the pitch with a forward, chopping motion.
At release, apply extra pressure with the middle finger on the seam.
By pushing slightly on the outside of the ball, you create a sweeping spin with a small amount of backspin.
Considering the mechanics of pitchers who excel with this pitch, a lower arm slot—such as a three-quarter or sidearm delivery—may make it easier to generate strong horizontal movement.
The sweeper is most effective when it creates late, wide horizontal break while maintaining deception.
Focus on consistent arm speed and release to maximize both movement and effectiveness.