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.

International affairs
Jesse Sanchez joins Jim Callis, Jonathan Mayo and Jason Ratliff to discuss the new Top 50 International Prospects list, led by 16-year-old Dominican shortstop Roderick Arias, who is expected to sign with the Yankees. Jim, Jonathan and Jason also discuss the recent farm system rankings and the strong correlation between being at the top of that list and subsequent success at the big league level. They then spotlight the three newest additions to the Top 100 Prospects list and wrap up by answering a question from the mailbag.
65 min
New farm system rankings
Jim Callis, Sam Dykstra and Jason Ratliff break down MLB Pipeline's new farm system rankings in the latest edition of the MLB Pipeline Podcast. They discuss the three best systems (Orioles, Mariners, Marlins), plus four on the rise (Pirates, Rangers, Red Sox, Reds) and why the White Sox sinking to the bottom somewhat reflects their big league success. Also on tap: a rare Top 100 Prospect pitching debut against another Top 100 prospect (Edward Cabrera vs. Josiah Gray), the latest addition to the Top 100 list (Indians RHP Daniel Espino) and a couple of questions from the mailbag.
55 min
The updated prospect rankings are out!
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 newcomers and where 2021 draftees debuted on the list. They also look at which teams are best represented on the list and and answer a listener's question in the mailbag.
67 min
Impact callups and a sneak preview of the new T...
Jim Callis, Jonathan Mayo, Jason Ratliff look ahead to some potential prospect callups that could make an impact down the stretch
60 min
The Double Deadline
Jim Callis, Jonathan Mayo, Jason Ratliff recap the action from last week's trade and draft signing deadlines in this week's Pipeline Podcast.
50 min
Deadline days | And interview with first drafte...
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
66 min
Our favorite picks of the Draft
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's Jarren Duran, Angels outfielder Brandon Marsh and Dodgers right-hander Josiah Gray, before finishing up, as always, with a question from a listener.
65 min
Draft recap, Futures Game takeaways and more fr...
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 batting practice power display. And finally, they finish the show with takeaways from the High School All-American Game and High School Home Run Derby.
69 min
The busiest prospect week … ever? | And a Bobby...
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, and chat with No. 7 overall prospect Bobby Witt Jr. of the Royals.
67 min
The Inaugural Draft Combine
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 Diamondbacks scouting director Deric Ladnier. Plus Blue Jays catcher Gabriel Moreno and Royals first baseman Nick Pratto join the Top 100 Prospects list, and multiple mailbag questions.
66 min
Wander Time
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.
58 min
Draft fever! Catch it!
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. And finally, they welcomed the Marlins' Jesus Sanchez back to the Top 100 list and finished, as always, with a question from listeners.
56 min
Tournament Time
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 future, former No. 1 overall picks Adley Rutschman and Spencer Torkelson heat up, the latest addition to the Top 100 Prospects list (Rockies LHP Ryan Rolison) and our weekly mailbag question.
69 min
College Playoffs & The Draft
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 contending big league club right now. They also chat about the newest Top 100 Prospect, Indians shortstop Gabriel Arias, and answer a couple of questions from readers.
47 min
It's a Mock-ery: Draft scoop and more
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 Trammell's torrid bat since he returned to Triple-A, welcome Angels outfielder Jordyn Adams into the Top 100 and kick off "Wander Watch," our vigilant look at when Wander Franco might get called up.
56 min
It's NOT a mock | Plus: a Marcelo Mayer interview
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, Jim and Jonathan broke down the debuts of Mariners phenoms Jarred Kelenic and Logan Gilbert.
61 min
Kelenic Is Coming! Kelenic Is Coming!
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 at the top of the 2021 Draft, candidates to go in the first round who didn't quite crack last week's mock draft and new Top 100 Prospect Jackson Rutledge (and outgoing Top 100 Prospect Michael Kopech) and answer a mailbag question about Mets prospects Francisco Alvarez and Pete Crow-Armstrong.
64 min
It’s Minor League Opening Day!
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 five guys with interesting family trees. Finally, Jonathan talks with Vanderbilt head coach Tim Corbin about Kumar Rocker and Jack Leiter.
68 min
Draft & More Draft
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 discuss a Mailbag question about top Mariners prospects.
70 min
Experts take shot at top 20 Draft picks
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 Mailbag, including one about Yankees phenom Jasson Dominguez.
58 min
The newest top-100 prospects, and rookies on th...
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.
65 min
Hot rookies; Arcia trade, The Yerminator and a ...
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 Pipeline's Top 100 Prospects list. Finally, get your weekly update on Vanderbilt's Kumar Rocker and Jack Leiter, and we answer another Draft question in the mailbag.
71 min
Opening Day rosters surprises; Rookie Power Ran...
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 dominance of Vanderbilt's Kumar Rocker and Jack Leiter and answers a Mailbag question about Braves outfield prospect Michael Harris.
68 min
Farm system rankings; Rocker and Leiter 1-2? RO...
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 -- are making some noise. Finally, Jim and Jonathan break down their picks in an experts' Rookie of the Year draft and answer questions from the mailbag.
61 min
Top 30 Lists, Hot Springs, Draft Update, New Rules
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 of the new rules being implemented in the Minors. And as always, they dive into the mailbag to take a question from a listener.
62 min