Who's Throwing The Wrong Fastball, Revisited

A look at the pitchers who would benefit the most from a change in fastball type

Back in April of 2023, we examined which pitchers might be throwing the wrong fastball with some hypothetical pitch shapes and stuff modeling. The results from that initial iteration were encouraging. Notable names who made the suggested switch from the first article included Gregory Santos, José Cuas, and Sam Moll. Each of these pitchers saw more succe…