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.
Latest episodes
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1 h 29
Grading Our Predictions (Guest: Tate Southisene)
Jim Callis, Sam Dykstra and Jonathan Mayo made predictions for a prospect in each farm system at the outset of the season, and Jason Ratliff evaluates all of those prognostications…
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1 h 04
Fall League in full swing (Guest: Dax Kilby)
With the Arizona Fall League going full tilt, this week's Pipeline Podcast is all about the action in the desert. Jim Callis, Jonathan Mayo and Jason Ratliff kick things off by tal…
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52 min
Rookie Roundup (Guest: Theo Gillen)
With the MLB season just concluded and the playoffs in full swing, the latest Pipeline Podcast focuses on rookies. Jim Callis, Jonathan Mayo & Jason Ratliff break down the rookie s…
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1 h 01
So long MiLB, hello MLB postseason
The 2026 Minor League season is officially in the books following last weekend's Triple-A Championship Game, but there's still so much to discuss. Sam Dykstra, Jonathan Mayo and Ja…
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1 h 29
Putting A Bow On The Minor League Season (Guest: Nathan Flewelling)
With the Minor League season coming to an end, Jim Callis, Sam Dykstra and Jason Ratliff sum it up on the latest Pipeline Podcast. They begin by breaking down the candidates for to…
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1 h 19
Arizona Fall League Rosters (Guest: Charlie Condon)
The Arizona Fall League revealed its rosters for the upcoming season while the latest Pipeline Podcast was being recorded, giving Jim Callis, Jonathan Mayo & Jason Ratliff plenty t…
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1 h 04
Playoff Fever In The Minors (Guest: Demetrio Crisantes)
Jim Callis and Jonathan Mayo preview the playoffs at the High-A and Single-A levels in the latest Pipeline Podcast, spotlighting such top prospects as Grady Emerson (Rays), Josuar…
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1 h 19
Breakouts Galore!
Jim Callis and Sam Dykstra focus on prospects who have enjoyed breakout seasons in the latest episode of the Pipeline Podcast, highlighting standouts such as Rays shortstop Cooper…
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1 h 14
Even more rankings (Guest: Arjun Nimmala)
Just when you thought there wasn't anything else left to rank, the MLB Pipeline gang surprises you. This week, they've been ranking farm systems by positions and that's where Sam D…
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1 h 21
Top 100 & Farm System Rankings
The MLB Pipeline crew has been busy ranking all sorts of things this month, and that makes for plenty of fodder for the latest Pipeline Podcast. Jim Callis, Jonathan Mayo and Jason…
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1 h 01
If you podcast it...
This week's MLB Pipeline Podcast takes us to Iowa as much of Major League Baseball descends on the Field of Dreams this week. That includes the prospect world and Sam Dykstra, Jona…
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1 h 07
A doozy of a Deadline
The dust has barely settled on the 2026 Trade Deadline, but Jim Callis, Jonathan Mayo and Jason Ratliff mustered plenty of energy to talk about all of the wheeling and dealing from…
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1 h 07
Gearing Up For The Trade Deadline
With the Trade Deadline fast approaching, Jim Callis, Jonathan Mayo and Jason Ratliff spend much of the latest Pipeline Podcast discussing which top prospects might be on the move,…
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1 h 15
Deadlines are looming
There are a couple of big deadlines on the baseball calendar ahead and with so many people focused on the Trade Deadline in terms of big leaguers who could change hands, Jim Callis…
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1 h 17
The Newsiest Weekend Of The Year
Fresh off of covering and broadcasting the Draft and the Futures Game last weekend, Jim Callis, Jonathan Mayo and Jason Ratliff have plenty to discuss on the latest Pipeline Podcas…
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1 h 24
Breaking down the Draft class: High school pitchers (Guest: Brody Bumila)
It's the last Pipeline Podcast before this weekend's Draft, so Jim Callis, Jonathan Mayo and Jason Ratliff dedicate most of their time previewing what could happen in Philadelphia.…
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1 h 15
Breaking down the Draft class: College hitters (Guest: Justin Lebron)
Back from the MLB Draft Combine and heading full steam towards the Draft and Futures Game, Jim Callis, Jonathan Mayo and Jason Ratliff come with tons of prospect info on this week'…
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1 h 26
Breaking down the Draft class: High school hitters (Guest: Jacob Lombard)
The MLB Draft Combine takes center stage and serves as a backdrop for a discussion of the top prep position players on the latest Pipeline Podcast. Jim Callis, Jonathan Mayo and Ja…
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1 h 09
Breaking down the Draft class: College pitchers (Guest: Jackson Flora)
Jim Callis, Jonathan Mayo and Jason Ratliff begin a four-part series on each demographic of the 2026 Draft Class. After talking about the College World Series -- with Jim in Omaha…
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1 h 11
Eight For Omaha
With the College World Series field set, the latest Pipeline Podcast focused on the upcoming action in Omaha. Jim Callis, Jonathan Mayo and Jason Ratliff broke down all eight teams…