MLB Pipeline

MLB Pipeline

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.

Episodes

May 27, 2025 62 mins
This week's edition of the Pipeline Podcast features a look at some of the more intriguing prospects in the NL East, highlighted by an interview with bat-missing Mets right-hander Jonah Tong. Jim Callis, Jonathan Mayo and Jason Ratliff also discuss several other NL East farmhands, including Marlins catcher Joe Mack, Braves righty J.R. Ritchie and Nationals righty Travis Sykora. The guys catch up on the latest Draft doings, includin...
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Before continuing their division-by-division look at one intriguing prospect per organization (in the American League West), Jim Callis, Sam Dykstra and Jason Ratliff discuss the slew of blue-chip prospects who are ready for the call to The Show, including Nos. 1 and 2 overall: Red Sox outfielder Roman Anthony and Pirates right-hander Bubba Chandler. Sam then does a deep dive into the best pitches in Triple-A (a mix of famous arms ...
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The MLB Pipeline Podcast's division-by-division look at the game's prospects continued this week in the American League Central. Before that, Jim Callis, Jonathan Mayo and Jason Ratliff dove into the first "market corrections" of the Top 100 and looked at the revised top 15 (led by Red Sox outfielder Roman Anthony), biggest risers (including shortstops George Lombard Jr. of the Yankees and Jesus Made of the Brewers) and new additio...
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While Kenny Powers may not have been a guest, this week's MLB Pipeline Podcast was definitely Eastbound (but not down) as Jim Callis, Jonathan Mayo and Jason Ratliff began a division-by-division look at intriguing prospects at the start of the 2025 season. This week, the focus was on the AL East, with prospects like Blue Jays 2024 first-rounder Trey Yesavage and 18-year-old Red Sox slugger Justin Gonzales discussed. Jonathan caught...
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April 29, 2025 66 mins
MLB Pipeline's new 2025 Draft Top 150 is live and Jim Callis, Jonathan Mayo and Jason Ratliff slice and dice it on this week's episode of the MLB Pipeline Podcast. They start by breaking down the top of the list and what the odds are for any player to go No. 1 overall to the Nationals, focusing mostly on the top three: Ethan Holliday, Seth Hernandez and Jamie Arnold. Then the guys look at some of the biggest risers in the class, in...
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The promotion of Minor League home run leader and 2024 No. 4 overall pick Nick Kurtz is just one of several recent big league callups that has baseball buzzing, so that's where Jim Callis, Jonathan Mayo and Jason Ratliff turn their attention on the latest Pipeline Podcast. Besides the Athletics first baseman, they also break down fellow Top 100 Prospects Luke Keaschall (Twins) and Edgar Quero (White Sox), plus catcher Agustin Ramir...
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Following Seth Hernandez's electric outing at the National High School Invitational, the latest Pipeline Podcast examines whether he can become the first prep right-hander ever to go No. 1 overall in the 60-year history of the Draft. Jim Callis, Jonathan Mayo and Jason Ratliff talk about what sets Hernandez apart and the history of high school righties in the first round of the Draft. Jonathan interviews another hard-throwing right...
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April 8, 2025 64 mins
The 2025 Draft is quite unsettled at this point, so Jim Callis, Jonathan Mayo and Jason Ratliff begin the latest Pipeline Podcast by trying to figure it out. Jim and Jonathan alternate making the first 10 picks purely based on talent, and there are plenty of surprises. Then the focus shifts to identifying the most prospect-packed rosters in the Minors, starting with Triple-A Iowa (Cubs) and High-A Everett (Mariners). The guys also ...
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The 2025 season is a week underway and the MLB Pipeline Podcast crew is ready to take a look at how prospects have been faring, both in the big leagues and the Triple-A level. Jim Callis, Jonathan Mayo and Jason Ratliff kick things off by discussing the shaky start of No. 1 prospect Roki Sasaki and how well Red Sox phenom Kristian Campbell has been swinging the bat out of the gate, along with other big league performances. Then the...
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March 25, 2025 61 mins
The excitement of not one but two Opening Days this week -- MLB on Thursday, Triple-A on Friday -- drives the discussion on the latest edition of the Pipeline Podcast. Jim Callis, Jonathan Mayo and Jason Ratliff begin by talking about what they're most interested in about this season, from Japanese pitching sensation Roki Sasaki coming to the Majors to top 2024 draftees playing their first full pro seasons to Phillies right-hander ...
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The second edition of Spring Breakout is in the books and there were a ton of top prospect performances to recap. That's exactly what Jim Callis, Sam Dykstra, Jonathan Mayo and Jason Ratliff did on this week's episode, reviewing standout moments across the four-day event. From four of MLB's top 12 prospects homering in the Red Sox-Rays opener to the dominant start of Pirates' Bubba Chandler to Jurrangelo Cjintje's switch-pitching f...
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It's Spring Breakout week and the MLB Pipeline Podcast crew can barely contain their excitement. On this week's episode, Jim Callis, Jonathan Mayo and Jason Ratliff do a deep dive and break down every matchup in the second year of Spring Breakout games that pit each team's best prospects against each other on one field at one time. They follow the action from the Cactus League to the Grapefruit League, highlighting some of the best...
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As MLB Pipeline releases the brand-new 2025 Top 30 Prospects lists for all 30 organizations this week, Jim Callis, Jonathan Mayo and Jason Ratliff spend the latest edition of the Pipeline Podcast breaking down the farm systems one by one. Tigers right-hander Jackson Jobe, the No. 5-ranked prospect in baseball, joins Jonathan for an interview, and the guys answer a listener mailbag question about which Top 30 lists were the easiest ...
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February 25, 2025 64 mins
The next couple of weeks will feature the release of MLB Pipeline's organization Top 30 Prospects rankings and the second edition of Spring Breakout games, so those events were the focus of the latest Pipeline Podcast. Jim Callis, Jonathan Mayo and Jason Ratliff began by highlighting some lesser-known but interesting newcomers to the Top 30 lists, such as Cubs shortstop Juan Tomas and Reds outfielder Arnaldo Lantigua. Then they pre...
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With Jim Callis and Jonathan Mayo bemoaning the frigid temps in their home towns, they warm things up by talking Spring Training and college baseball. With Major League camps getting going, they start by looking at Top 100 prospects who might have a chance to make their Opening Day rosters. From there, they dig into one of those prospects, Kristian Campbell, and how hard it is to find a historic parallel to his ascension in 2024 be...
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February 11, 2025 66 mins
With the college baseball season starting on Friday, the Pipeline Podcast turns its focus in that direction. Jim Callis, Jonathan Mayo and Jason Ratliff discuss the best teams and the best prospects in the nation before interviewing outfielder Jace LaViolette, who's the consensus top college prospect and plays for No. 1-ranked Texas A&M. The guys also preview the best high school players in the country before answering a listener m...
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February 4, 2025 75 mins
As work continues on team Top 30 rankings (coming the week of March 3!), there are still plenty of ways to slice and dice the already-released lists. On this week's episode of the MLB Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff do just that, starting with Jim and Jonathan drafting off the positional Top 10s, with the caveat of filling outa lineup while taking one prospect per ranking spot. After that, Jim chatted ...
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January 28, 2025 65 mins
MLB Pipeline released its preseason Top 100 Prospects list late last week, so Jim Callis, Sam Dykstra, Jonathan Mayo and Jason Ratliff dedicate the Pipeline Podcast to breaking down the rankings. They start with the guy at the very top, Dodgers right-hander Roki Sasaki, and where he fits among past No. 1 prospects and the best pitching prospects in recent memory. They also discuss the top of the list, the teams with the most Top 10...
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January 21, 2025 67 mins
Nearing the launch of MLB Pipeline's new Top 100, the Pipeline Podcast crew gets you ready by looking at more of their Top 10 by Position lists. This week, Jim Callis, Jonathan Mayo and Jason Ratliff dig into four lists: second base, third base, shortstop and outfield. Then the guys bring in Jesse Borek to discuss how the international signing period has been going, as Jesse answers questions about Roki Sasaki and the rest of the 2...
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January 14, 2025 74 mins
The 2025 ranking season is underway and the MLB Pipeline Podcast wastes no time digging in to the first top 10 by position lists that have been published. Jim Callis, Jonathan Mayo and Jason Ratliff break down the top 10 catchers list, which features nine of the 10 backstops from a year ago as well as the top 10 first basemen, with eight new names among them. Then the guys welcome in one of the catchers high up on that list, Kyle T...
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