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.


November 29, 2022 63 min

The baseball world will descend on San Diego for the Winter Meetings next week and Jim Callis, Jonathan Mayo and Jason Ratliff have you covered with everything you need to know to be ready from a prospect perspective. First, they look at some of the biggest prospect hauls in trades from past Winter Meetings, with Jim and Jonathan declaring a winner for each deal. After touching on the first-ever Draft Lottery, the trio previews the...

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On the latest edition of the Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff begin looking ahead to 2023 and trying to project next season's top rookies. Jim and Jonathan draft five prospects each based on where they think they'll finish in Rookie of the Year balloting, and they have Orioles infielder Gunnar Henderson and Diamondbacks outfielder Corbin Carroll as the favorites in each league. Next up is a disc...

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November 16, 2022 81 min

On this week's MLB Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff wrap up coverage of the Arizona Fall League by recapping the Championship game and analyzing the league's award winners and top performers before Jim sits down for an interview with Fall League MVP Heston Kjerstad of the Orioles. From there, the trio looked at Julio Rodriguez and Michael Harris II, the 2022 Rookies of the Year, and tough 40-man...

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November 8, 2022 74 min

With another exciting Major League season in the books, Jim Callis, Jonathan Mayo and Jason Ratliff examine the postseason through a prospect lens on this week's MLB Pipeline Podcast. That means a deep dive into the work of ALCS and World Series MVP Jeremy Peña, providing some historical perspective in terms of where his postseason measures up against other rookies and examining where he lands in terms of long-term value of the...

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October 25, 2022 65 min

Jim Callis, Sam Dykstra & Jason Ratliff discuss the ongoing Arizona Fall League and upcoming World Series in the latest Pipeline Podcast. AFL talk includes the recent top performers of the week (Blue Jays outfielder Zach Britton, Cardinals left-hander Connor Thomas), every game now being streamed live, the ball/strike challenge system that has been well received and an interview with Cubs first baseman Matt Mervis. Then the guy...

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October 19, 2022 64 min

On the latest Pipeline Podcast, Jim Callis, Jonathan Mayo and Jason Ratliff focus on the Arizona Fall League. The developmental circuit featured a game Monday with a team hitting not one but two inside-the-park home runs, something that hasn't happened in the Majors since 1986. The guys discuss the prospects involved (Braves infielder Cal Conley, Orioles outfielder Heston Kjerstad) as well as the AFL's Hitter of the Week, T...

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October 11, 2022 55 min

Jim Callis and Jason Ratliff just returned from the Arizona Fall League and Jonathan Mayo just got there, so the latest Pipeline Podcast centers on what transpired in the developmental circuit's first week. They discuss the first two starts by Rangers right-hander Kumar Rocker and delve into several other prospects, including Orioles outfielder Heston Kjerstad, Giants outfielder Luis Matos and Brewers catcher Jeferson Quero. Th...

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Jason Ratliff and Jim Callis are on location during the opening week of the Arizona Fall League season and they're joined by Jonathan Mayo in discussing the start of the AFL's 30th year, including top performances and dust storms (haboobs). They then shift to talking about the top prospects from the 2022 season, as Jonathan interviewed the Phillies' Andrew Painter, MLB Pipeline's Pitching Prospect of the Year. Gunna...

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September 27, 2022 57 min

With the Arizona Fall League season ready to start on Oct. 3, the latest Pipeline Podcast identifies several non-Top 100 Prospects who could make a name for themselves in the developmental circuit. Among the players tabbed by Jim Callis, Jonathan Mayo and Jason Ratliff: Athletics right-hander Ryan Cusick, Brewers right-hander Logan Henderson, Cubs first baseman Matt Mervis, Pirates catcher/outfielder Blake Sabol and Rangers outfiel...

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September 21, 2022 64 min

It's all Arizona Fall League, all the time on this week's episode of the MLB Pipeline Podcast. With AFL rosters released late last week, Jim Callis, Jonathan Mayo and Jason Ratliff do a deep dive into the prospects who will be in action in a couple of weeks. The highest-ranked prospect headed to the desert, Cardinals slugger Jordan Walker, joins the show, and then Jim and Jonathan pick the player from each AFL team that the...

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September 15, 2022 59 min

Jim Callis, Jonathan Mayo and Jason Ratliff are all together again for the first time in a while on the MLB Pipeline Podcast, and their focus this edition is on the top Minor League performers of 2022. They discuss a number of prospects who have had huge seasons, including outfielders Vaun Brown (Giants), Corbin Carroll (Diamondbacks) and Jackson Chourio (Brewers) and right-handers Andrew Painter (Phillies), Brandon Pfaadt (Diamond...

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September 7, 2022 68 min

Sam Dykstra and Jonathan Mayo kick off this week's MLB Pipeline podcast breaking down the latest big prospect callups to the Major Leagues, including Top 100 prospects like the Astros' Hunter Brown, the Yankees' Oswald Peraza and the Red Sox's Triston Casas. They then look far off into the future, unveiling who they think will be the top five overall prospects in the game at the start of the 2024 season. They pick o...

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August 30, 2022 65 min

On this week's MLB Pipeline Podcast, Sam Dykstra and Jonathan Mayo celebrate the callup and big league debut of No. 3 overall prospect Corbin Carroll of the D-backs. That leads to lots of September callup talk, including the duo participating in a five-player draft of potential impact players in the homestretch of the season. Sam and Jonathan look ahead to potential 2024 No. 1 prospects before finishing up with a question from ...

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August 23, 2022 61 min

In the latest Pipeline Podcast, Jim Callis & Jonathan Mayo delve into MLB Pipeline's newly released farm system rankings. The Orioles retain their No. 1 ranking despite graduating Adley Rutschman to the big leagues, and Baltimore farm director Matt Blood joins the podcast to talk about the waves of talent rising toward Camden Yards. The guys also discuss a number of other systems on the rise (including the Guardians, Reds a...

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August 17, 2022 70 min

MLB Pipeline just re-ranked all of its prospect lists, from the Top 100 to all 30 team Top 30 lists, and Jim Callis, Jonathan Mayo and Jason Ratliff waste no time digging into the new lists on this week's episode. Breaking down the decision who to put No. 1 overall (the Mets' Francisco Alvarez), looking at the 2022 draftees who made the list and discussing the biggest risers and fallers in and out of the Top 100. Jim and Jo...

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As we enter the dog days of August, Jim Callis, Jonathan Mayo and Jason Ratliff look at some top prospects who could help their teams down the stretch, including baseball's No. 1 overall prospect Francisco Alvarez, plus two Rays. two Yankees and two Dodgers. Next, they introduce the four most recent additions to the Top 100 list (Gordon Graceffo, Brandon Pfaadt, Grissom Vaughn and Bo Naylor), and then they turn their attention ...

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August 3, 2022 60 min

The latest Pipeline Podcast comes on the heels of the Trade Deadline, and Jim Callis, Jonathan Mayo and Jason Ratliff analyze all of the action. They begin by breaking down all of the nuances of the blockbuster deal that sent Juan Soto (and Josh Bell) to the Padres for five talented young players. Then they discuss all of the other deals involving Top 100 Prospects, as well as which farm system improved the most and some smaller mo...

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July 26, 2022 58 min

On the latest MLB Pipeline Podcast, Jim Callis and Jason Ratliff discuss a lot of deadlines. First, the impending Aug. 2 Trade Deadline, as they contemplate packages for Juan Soto and which contenders have the most prospect ammunition to swing deals. Then they turn to the upcoming Aug. 1 Draft signing deadline and break down the most notable bonus deals agreed to at this point. Finally, they discussing the ramifications of the MLB ...

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July 20, 2022 71 min

The two biggest prospect events of the year are the Draft and the Futures Game, held on four consecutive days leading up to the All-Star Game. Jim Callis, Jonathan Mayo and Jason Ratliff were on hand for all of it in Los Angeles and break down both events on the latest MLB Pipeline Podcast. They start with the top of the Draft, which began with the two best players (Jackson Holliday to the Orioles, Druw Jones to the Diamondbacks) b...

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Just days away from the Futures Game and the Draft, Jim Callis, Jonathan Mayo and Jason Ratliff preview the biggest weekend of the year in Prospectdom. They handicap the candidates to go No. 1 overall in the Draft and then discuss the various permutations of the top five picks based on who goes 1-1. Then they look at the best tools in the Draft class, highlighting the best power hitter, fastest runner, best fastball and more. Next,...

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