Jim Callis, Jason Ratliff and Mike Rosenbaum put the World Series in a prospect context by discussing the ongoing heroics of Randy Arozarena and where he would rank among the best postseason rookies of all time. Does his performance merit him soaring up the Rays' Top 30 Prospects list and into the overall Top 100? After that, Ratliff quizzes Callis and Rosenbaum on past scouting reports of current World Series participants. The guys also discuss instructional league with a focus on Nationals pitchers and open the reader mailbag to answer a question about relief prospects.

On the MLB Pipeline Podcast, Mayo and Callis are your tour guides through all the unfolding stories and breaking news of baseball's top prospects. Each week, you'll find out about the stars of tomorrow from the guys who know today. Download, subscribe and help others find the show by leaving a rating and review on iTunes or your favorite platform.