Nolan McLean started throwing more sinkers as a pro and developed into the top pitching prospect in baseball. Jonah Tong altered the Vulcan grip location of his changeup and won MiLB Pitching Prospect ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Joanne Chen and Annie Chou After a new round of testing, we have two new ...