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MLB Pipeline

MLB Pipeline

By: MLB.com
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Summary

 Find out about the stars of tomorrow, from the guys who know today. Jim Callis (@jimcallisMLB) and Jonathan Mayo (@JonathanMayo) are your tour guides for this ride through the unfolding stories & breaking news in Minor League Baseball. From top prospects to scouting executives to farm directors, the MLB Pipeline is jam-packed with exclusive coverage of the minors you can't get anywhere else.© 2024 MLB Advanced Media Baseball & Softball
Episodes
  • Mock Roch Watch

    Mock Roch Watch
    May 12 2026
    We're fresh off the first "official" mock draft of the spring, and that's exactly where Jim Callis, Jonathan Mayo and Jason Ratliff kicked things off on this week's Pipeline Podcast. They broke down what it looks like at the very top, discussing the probability that Roch Cholowsky, the No. 1 prospect in the class, goes No. 1 to the White Sox, before looking at how fluid the first round is after the first handful of picks. After examining Cholowsky's performance in the weekly Roch Watch segment, they turned their attention to pro prospects, starting with ones who have been promoted to the big leagues recently, like the Mets' AJ Ewing. There have been a slew of top prospects moving up levels in the Minors, and the guys give infielders George Lombard Jr. and Arjun Nimmala their flowers before finishing up with a look at MLB.com's first Rookie of the Year poll and how they voted in each league, capping things off with a Mailbag question about Pirates phenom Seth Hernandez. Learn more about your ad choices. Visit megaphone.fm/adchoices
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    1 hr and 13 mins
  • Dishing On The Draft Top 150 (Guest: Gio Rojas)

    Dishing On The Draft Top 150 (Guest: Gio Rojas)
    May 5 2026
    On the latest Pipeline Podcast, Jim Callis, Jonathan Mayo & Jason Ratliff break down the just-expanded and updated Draft Top 150 Prospects list. They discuss the players separating themselves at the top, starting with UCLA shortstop Roch Cholowsky and Texas prep shortstop Grady Emerson, before highlighting the biggest risers and top newcomers since the December rankings. Jonathan interviews Gio Rojas, the best high school pitching prospect in the Draft, before talk turns to callups (Joe Mack, Bryce Eldridge) and the latest Top 100 Prospect (Ethan Salas). The guys wrap it up with perhaps their longest answer to a listener mailbag question ever as they debate the merits of Yankees outfield prospect Spencer Jones. Learn more about your ad choices. Visit megaphone.fm/adchoices
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    1 hr and 15 mins
  • Draft fever.... catch it! (Guest: Grady Emerson)

    Draft fever.... catch it! (Guest: Grady Emerson)
    Apr 29 2026
    With the brand new Draft Top 150 dropping at the end of this week, it's clear the Pipeline Podcast crew has a serious case of Draft fever. Jim Callis, Jonathan Mayo and Jason Ratliff kick off this episode by looking at the four quadrants of the class -- college hitters and pitchers, high school bats and arms -- putting a grade on and talking about some intriguing guys in each sector. After the weekly Roch Watch, Grady Emerson, one of the top overall players in the class, joins the show. The guys still have energy for the Minor League guys, and plenty of time is devoted to prospects who just got called up to the big leagues (like last week's guest, Travis Bazzana) as well as new additions to the Top 100 (Logan Henderson and Kevin Defrank) before answering a Mailbag question about the future of the Brewers infield. Learn more about your ad choices. Visit megaphone.fm/adchoices
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    1 hr and 22 mins
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