During the upcoming season, a number of #stlcards prospects will be added to the 40-man roster and make their MLB debuts. While Dylan Carlson is a slam dunk, predicting others is more challenging. A history lesson helps. ($) https://t.co/LBwwpJcjOr pic.twitter.com/rGBqchJdsF
— Brian Walton (@B_Walton) March 3, 2020