Kopech’s curveball is now a slower high-70 mph offering with a distinct hump and more vertical drop, contrasting it with the sharper drop and sweep of a more mid-80s mph slider.

First, we need to define some terms. A slider and a cutter are often on the same spectrum; a slider and a curveball are often on the same spectrum; Wainwright throws a cutter, and he throws a ...

The sliders who can come out of Curve 9 — one of 16 curves on the track — cleanly may save themselves a half-second or more. And in sliding, a half-second is an eternity.

Asher Wojciechowski understands the confusion about his pitch mix. Much like it has stifled opposing batters during his short tenure with the Orioles, it is doing the same to some pitch-tracking sy… ...

What do you call a pitch that looks like a fastball out of hand, mimics a slider and is actually neither? Diabolical. Meet ...

The sliders who can come out of Curve 9 – one of 16 curves on the track – cleanly may save themselves a half-second or more. And in sliding, a half-second is an eternity.

The sliders who can come out of Curve 9 — one of 16 curves on the track — cleanly may save themselves a half-second or more. And in sliding, a half-second is an eternity.

The sliders who can come out of Curve 9 — one of 16 curves on the track — cleanly may save themselves a half-second or more. And in sliding, a half-second is an eternity.