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MLB Pipeline

Sports EN ↓ 541 episodes

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.

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MLB.com

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Sports

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www.mlb.com

Latest episode

Jul 7, 2026

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Episodes

The updated prospect rankings are out! 19.08.2021

The Top 100 Prospects, team Top 30s and Top 10 by Position lists have all been updated, and Jim Callis, Jonathan Mayo and Jason Ratliff break down the Top 100. They discuss trends and demographics (an all-time low number of pitchers on the list, and an all-time high number of catchers and shortstops), the Top 10 overall, the highest risers on the list, the biggest falls, the highest-ranked newcome...

Impact callups and a sneak preview of the new Top 100 10.08.2021

Jim Callis, Jonathan Mayo, Jason Ratliff look ahead to some potential prospect callups that could make an impact down the stretch, including one that happened mid-podcast. They also discuss the newest additions to the Top 100 Prospects list (Yankees' Anthony Volpe and Cardinals' Jordan Walker) and offer a sneak preview of some players who will be making big leaps on the greatly anticipated re-rank...

The Double Deadline 03.08.2021

Jim Callis, Jonathan Mayo, Jason Ratliff recap the action from last week's trade and draft signing deadlines in this week's Pipeline Podcast. They discuss the Jose Berrios and the Trea Turner/Max Scherzer deals in depth, as well as which clubs added the most prospect talent in the frenzy of transactions. Then they take a deep dive into what went wrong in the negotiations between No. 10 overall pic...

Deadline days | And interview with first drafted Orthodox Jews 27.07.2021

Jim Callis, Sam Dykstra and Jason Ratliff analyze a quartet of recent trades that have involved prospects and discuss more that could be on the horizon as the Trade Deadline nears. They also look at the few remaining Draft picks that have not come to terms on deals ahead of the signing deadline. Jonathan Mayo then interviews Jacob Steinmetz and Elie Kligman, the first two Orthodox Jews ever select...

Our favorite picks of the Draft 21.07.2021

Jim Callis, Jonathan Mayo and Jason Ratliff continue their look at the recently concluded 2021 Draft. Jim and Jonathan pick their favorite selections for each round through the fifth. Much like the scouting industry is forced to do, they then started examining the top prospects in the '22 Draft class. Finally, they turn their attention to pro ball by breaking down recent Top 100 callups in Boston'...

Draft recap, Futures Game takeaways and more from Denver! 14.07.2021

From Denver, Jim Callis, Jonathan Mayo and Jason Ratliff break down one of the most fun -- and most consequential -- weeks in MLB prospect history. The crew talks through their impressions of the Draft experience and all of the twists and turns in three days of picks, starting with the Pirates’ selection of Henry Davis. Then they discuss the Futures Game, including Spencer Torkelson’s impressive b...

The busiest prospect week … ever? | And a Bobby Witt Jr. interview 06.07.2021

Jim Callis, Jonathan Mayo and Jason Ratliff run through an updated top 10 mock Draft, look ahead to a jam-packed week including the Futures Game, High School All-American Game and High School Home Run Derby, make their picks for the likeliest Futures Game players to win a batting practice home run derby, dip into the mailbag to answer questions about upcoming mocks and potential surprise picks, an...

The Inaugural Draft Combine 29.06.2021

On the latest edition of the Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff break down the first-ever MLB Draft Combine and discuss which players stood out the most in North Carolina. In advance of the College World Series finals between Mississippi State and Vanderbilt, they discuss the top Draft prospects for 2021 and beyond still in Omaha. Also on tap: Jonathan interviews Diamond...

Wander Time 22.06.2021

The Pipeline crew sets expectations for No. 1 prospect Wander Franco ahead of his big league debut, updates Draft news with a focus on the MLB Draft Combine, lobbies for a few Futures Game picks including Marco Luciano and Bobby Witt Jr, examines new prospects entering the top 100 and then debates the long-term outlooks for Joe Adell and Jarred Kelenic. Learn more about your ad choices. Visit mega...

Draft fever! Catch it! 15.06.2021

Jason Ratliff returns to shepherd Jim Callis and Jonathan Mayo through a ton of Draft talk, from the expansion of MLB Pipeline's rankings to 250 for the first time ever, to the top tools in the Draft class and a discussion of five guys who have helium. Then the trio took a victory lap by looking at big leaguers leading the All-Star Game voting who were ranked as top prospects as Minor Leaguers. An...

Tournament Time 08.06.2021

Jim Callis and Jonathan Mayo break down the teams that survived and the prospects that stood out in the first round of the NCAA tournament. Also on the docket: comparing potential No. 1 overall picks Marcelo Mayer and Jordan Lawlar and putting them in the context of a historically deep high school shortstop class, Jarred Kelenic's rough first taste of the Majors and what it might mean for the futu...

College Playoffs & The Draft 01.06.2021

With the NCAA Division I tournament about to start, Jim Callis and Jonathan Mayo discuss the best prospects who will be involved and how moving the Draft to July will change how teams scout the college playoffs. They break down the half-dozen Top 100 Prospects involved with the Olympic baseball qualifying tournament, one of whom (Red Sox outfielder Jarren Duran) might be able to help his contendin...

It's a Mock-ery: Draft scoop and more 25.05.2021

Mock Draft season is heating up, and Jim Callis and Jonathan Mayo will file new ones every week. The duo take a look at first-round projections, discuss how events like conference tournaments could impact those prognostications, and check if fans' wish lists would come true in future mocks. Then they break down five college lefties in this year's class. Jim and Jonathan also discuss Taylor Trammel...

It's NOT a mock | Plus: a Marcelo Mayer interview 17.05.2021

Jim Callis and Jonathan Mayo reboot their personal top 20 picks Draft (based on their preferences and not a mock based on what teams might do). With the expansion of the Draft Top 200 coming soon, they looked at five guys who are joining the list. That led into Jim's interview with one of the Draft prospects in the class, California prep shortstop Marcelo Mayer. Not wanting to ignore pro prospects...

Kelenic Is Coming! Kelenic Is Coming! 11.05.2021

In this week's edition of the Pipeline Podcast, Jim Callis and Jonathan Mayo break down the impending big league arrival of outfielder Jarred Kelenic (No. 4 on the MLB Pipeline Top 100) and what he'll mean to the Mariners. They also discuss who might be the next big-time prospect to make the Majors and top performers from the first week of the Minor League season. They ponder the lack of clarity a...

It’s Minor League Opening Day! 04.05.2021

Jim Callis and Jonathan Mayo get ready for Minor League action for the first time in almost two years, talking about which prospects they’re excited to watch at the start of the 2021 season while also looking at the most stacked Minor League teams this year. It’s not a podcast without talking Draft, with Jim and Jonathan looking at the top of the first round as Jim works on a new Mock as well as f...

Draft & More Draft 27.04.2021

Jim Callis and Sam Dykstra discuss Jonathan Mayo's first full first-round projection of the 2021 Draft, and they later conduct a draft of their own by picking teams of prospects who have changed organizations. They also break down baseball's hottest rookies, including the curious case of Rangers outfielder Adolis Garcia, discuss the newest Top 100 Prospect (Red Sox outfielder Jarren Duran) and dis...

Experts take shot at top 20 Draft picks 20.04.2021

As a preview of the Top 150 Draft Prospects list, Jim Callis, Jonathan Mayo and Jason Ratliff conduct their own draft, with Jim and Jonathan alternating to make the top 20 picks of the first round. They also take a look at the two most recent additions to the Top 100 Prospects list, Giants left-hander Seth Corry and Reds shortstop Jose Garcia. They wrap up by answering a couple of questions in the...

The newest top-100 prospects, and rookies on the rise 13.04.2021

Jim Callis, Jonathan Mayo and Jason Ratliff discuss prospects off to fast starts, including a group of starting pitchers who are being used in relief roles in the big leagues this year. Plus a look at five new addition to MLB Pipeline’s Top 100 list, an update on Kumar Rocker and Jack Leiter’s performance and five Draft guys on the rise. Learn more about your ad choices. Visit megaphone.fm/adchoic...

Hot rookies; Arcia trade, The Yerminator and a Draft update 07.04.2021

Jim Callis, Jonathan Mayo and Jason Ratliff discuss rookies who are off to a hot start in the first week of the season. Jonathan chats with White Sox senior director of baseball operations Dan Fabian about Yermin Mercedes' historic start to the season and how he was acquired through the Rule 5 Draft. The trio discusses the the Orlando Arcia trade and the three players who recently entered MLB Pipe...

Opening Day rosters surprises; Rookie Power Rankings; Farm rankings; Rocker & Leiter 30.03.2021

With the arrival of 2021 regular season, Jim Callis, Sam Dykstra and Jason Ratliff take a look at some top prospects who made Opening Day rosters, as well as some who didn't, and when we can expect to see them. They also break down the preseason Rookie Power Rankings and Sam's rankings of the farm systems based on hitters, pitchers and 21-and-under talent. The crew discusses the continued dominanc...

Farm system rankings; Rocker and Leiter 1-2? ROTY draft 23.03.2021

Jim Callis, Jonathan Mayo and Jason Ratliff discuss the Top 5 teams in MLB Pipeline’s Farm Systems ranking, with the Rays at No. 1 again. Jim and Jonathan highlight some players that have impressed them in Spring Training and they discuss the 2021 Draft, as Vandy pitchers Kumar Rocker and Jack Leiter are living up to the hype, and some college catchers -- including Miami's Adrian Del Castillo -- a...

Top 30 Lists, Hot Springs, Draft Update, New Rules 16.03.2021

Jim Callis, Jonathan Mayo and Jason Ratliff discuss MLB Pipeline’s newly released Top 30 Prospects lists, highlighting the Indians, Twins, Giants, Cardinals and Braves. Then the guys detail some prospects standing out in Spring Training, such as outfielders Mickey Moniak (Phillies) and Heliot Ramos (Giants), check in on the Vanderbilt aces and other players making draft news and give their reviews...

Top 30 lists are here! (AL West, Yankees, Red Sox); Rocker, Leiter update 09.03.2021

Jim Callis, Jonathan Mayo and Jason Ratliff break down MLB Pipeline's new 2021 Top 30 Prospects lists -- four from the AL West (Astros, Angels, Rangers and A's), plus the Red Sox and Yankees. Hear updates on how potential top Draft picks Kumar Rocker, Jack Leiter, Jaden Hill and Sal Frelick have performed this season. And finally, Jim and Jonathan discuss which prospects have impressed in big leag...

Let the games begin, Spring Training Update plus Pirates prospect Jared Oliva 02.03.2021

Jonathan Mayo, Jim Callis and Jason Ratliff discuss how some of the Top 100 prospects are performing as Spring Training games have begun and what Twins SS Royce Lewis' torn ACL does for his prospect status. Jonathan catches up with Pirates prospect Jared Oliva as they look back at his 2020 MLB debut and the outlook for the 2021 season. Finally, the trio discusses the fastest and most powerful pros...

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