He’d been working on a two-seam fastball and cutter ... Talking with players and other coaches, you’re known as “The Grip Guy.” How does one build competency with technology?

The starting pitcher has added a two-seam fastball to his repertoire. The pitch typically runs in against right-handers and offers a complement to his best pitch, the slider, which breaks sharply ...

FORT MYERS, Fla. — Red Sox right-handed reliever Zack Kelly added a two-seam fastball to his repertoire in the offseason. MLB The Show’s Zack Kelly already threw one though. " It (the video ...

Arrighetti is working on a new two-seam fastball against right-handed hitters this spring, because his four-seam fastball last year was hit hard, Brian McTaggart of MLB.com reports. He only threw ...