Kumar Rocker vs Jack Leiter scout comparison
Can Jack Leiter Leapfrog Kumar Rocker In MLB Draft Prospect Rankings? (Mailbag) — College Baseball, MLB Draft, Prospects - Baseball America
2021 Arizona Diamondbacks Draft Preview: Surveying the Board and Process - AZ Snake Pit
2021 MLB Draft: Mason McRae's Top-50 – Prospects 365
Brendan Tuma's 2021 MLB Draft Top 10 Prospects (Fantasy Baseball)
MLB Draft 2021: Marcelo Mayer and Five Other Prospects to Watch - The New York Times
Texas Rangers' potential draftee Jack Leiter dominated in final college start
2021 MLB draft prospect rankings: Vanderbilt's Jack Leiter, Kumar Rocker top Keith Law's list - The Athletic
2023 MLB Draft: The Top 500 Prospects - Future Stars Series
Jack Leiter, potential Red Sox draft target, strikes out 16, tosses no-hitter for Vanderbilt – Blogging the Red Sox
5 names for Texas Rangers to consider with the fourth overall pick in 2023 MLB draft
MLB Mock Draft 2021: Baseball America has Kumar Rocker falling to Red Sox - Over the Monster