40-Man Roster Deadline Analysis: AL East
Data Driven Top 12 St. Louis Cardinals Prospects, by Jacob
2019 Rule 5 Draft: 11 Prominent Prospects Unlikely To Be Protected — College Baseball, MLB Draft, Prospects - Baseball America
St. Louis Cardinals Top Prospects
Washington Nationals' Rule 5 Draft Results: Nats select Zack Cox from Marlins in Minor League Phase - Federal Baseball
Interesting 40-man roster additions 2020
Top unranked prospects added to 40-man rosters 2022
St. Louis Cardinals top prospects ranked
New York Mets Set 40-Man Roster, Protect Minor League Players from Rule 5 Draft - Fastball
The biggest standouts from the Cardinals' 2021 minor league season Midwest News - Bally Sports
Chicago White Sox Set 40-Man Roster, Protect Minor League Prospects from Rule 5 Draft - Fastball
These are the Cardinals minor-leaguers that were left unprotected from the Rule 5 draft
Padres roster review: Anderson Espinoza - The San Diego Union-Tribune
Arizona Fall League 40-man roster Rule 5 Draft 2022
Which prospects will Cardinals promote after trade deadline?