Podcast: Mervis interview, plus the AFL's top performers

The Arizona Fall League is in high gear, and the latest episode of the MLB Pipeline Podcast catches up to everything going on in the desert circuit.

Jim Callis, Sam Dykstra and Jason Ratliff talk about the latest standout prospect performances in the Arizona Fall League, including the Cardinals' Jordan Walker, the A's Mason Miller and the AFL's Hitter and Pitcher of the Week. Jonathan Mayo joins with an interview of the Cubs' Matt Mervis -- aka 'Mash' Mervis -- which includes a discussion of the automated ball-strike challenge system and how it's been received in the Fall League.

Later, Callis guides listeners through a breakdown of how the World Series teams were built, which leads to a look at which Phillies and Astros players were the most hyped when they were prospects.

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On the MLB Pipeline Podcast, Callis and Mayo 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.