This week on the 90th Percentile Matt and Geoff discuss prep pitching prospects and their reported fastball velocity pre-draft. Do prep arms gain velocity in pro-ball? Does it stay the same? Or is there some inconsistency between what's reported and what's real? We examine a variety of prep pitchers taken between the 2020 and 2023 drafts to see how any prep pitchers have gained velocity in the years following their draft.
