What is the difference between a hanging slider and a regular slider?

Answer 1

The term "hanging," in reference to any type of pitch, means the pitch just hung out over the plate, giving the batter an excellent chance to hit it. It generally results from the pitcher didn't throw the pitch in the way he intended to throw it, and the ball then just went right over the plate. In that sense, a hanging curveball, a hanging slider, or a hanging screwball are all pretty much the same thing: a pitch that didn't do what the pitcher wanted it to do.