What’s next for major league baseball? That question is not ... with a drop of roughly 50 revolutions per minute on four-seam fastballs between June 4-20 and another dip of about 40 RPMs with ...

Pitchers cycle through approach as they try to find the right combination of spin, arm slot, and grip to produce ... forces on the baseball so that only the seam-shifted effect would remain.

Before pitchers and catchers were due to report to spring training, Cubs pitching coach Tommy Hottovy got a phone call. It was one of his pitchers, and they briefly chatted about how the pitcher ...

Liam Doyle's "invisiball" fastball, gripped like a generic four-seamer, is a key weapon for Tennessee baseball ... is how Doyle grips his fastball. He says it is a generic four-seam fastball.

“So we looked at that and we said this seam-shifted one is not going to work because of how my hand’s working through the ball.” So he and the coaches decided to change to a four-seam grip.