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.

2/16/18: Questions from Cespedes Family BBQ
MLB Pipeline’s Jonathan Mayo and Jim Callis take on questions from Cespedes Family Barbecue’s Jake Mintz and Jordan Shusterman regarding the Top 100 prospects. Among the topics: whether Tyler O’Neill can get time in the Cardinals outfield (2:25); which Rays prospect will break into the Majors first (4:10); if Francisco Mejia can develop into a catcher for the Indians (7:15); where Scott Kingery fits into the Phillies infield (11:45); if Willie Calhoun will hit enough to force his way into the Rangers lineup (17:45); whether Luiz Gohara will start the season in the Braves rotation (20:20); what Walker Buehler’s 2018 campaign could look like (24:25); and where White Sox phenom Luis Robert will play this season. (29:50).
34 min
2/8/18: Sam Geaney Interview, Top 30 Look Ahead
MLB Pipeline’s Jim Callis and Jonathan Mayo, along with’s Tim McMaster, chat with Padres Director of Player Development Sam Geaney about the loaded Padres system and how the club will handle prospects like MacKenzie Gore, Fernando Tatis Jr. and others. They also discuss the upcoming team Top 30 prospect lists and pick a five-man rotation made up of only the 2018 rookie class.
35 min
2/1/18: 2018 Top 100 Prospect List
MLB Pipeline's Jim Callis, Jonathan Mayo and Mike Rosenbaum, along with's Tim McMaster, discuss former No. 1 overall draft pick Mark Appel's decision to leave the game, and they explain how they assembled the latest Top 100 prospects list (6:05). They also break down the top 10 players on the list and the top farm systems (11:35), examine the biggest risers and fallers from the rankings (23:00) and talk about the most surprising prospects from the Top 100 (30:30).
36 min
1/26/18: Mike Soroka Interview, Top 10 Position...
MLB Pipeline's Jim Callis and Jonathan Mayo, along with's Tim McMaster, chat with Braves pitching prospect Mike Soroka to find out what he thinks about playing in Atlanta's organization, what he feels are his greatest strengths and what he stills needs to work on. They also discuss which teams have the best farm systems and they draft a team from the players on the Top 10 position lists.
34 min
1/18/18: Pirates Reinforce Farm System
MLB Pipeline's Jim Callis and Jonathan Mayo, along with's Tim McMaster, break down the prospect haul that the Pirates received in the recent Gerrit Cole and Andrew McCutchen trades. They also discuss the Top 10 Prospects lists for right-handed pitchers (15:22), left-handed pitchers (21:45), and catchers (27:20).
33 min
1/11/18: 2018 Top 100 Preview
MLB Pipeline's Jim Callis and Jonathan Mayo, along with's Tim McMaster, lead off this edition of the podcast by previewing their 2018 Top 100 Prospects list and Top 10 position lists, which will be revealed over the next two weeks. They also discuss which player baseball executives voted as baseball's best prospect and which non-Top 10 prospect will increase his profile the most this season. They also recap some of the best interviews from last week's Rookie Career Development Program.
35 min
1/4/18: Top Candidates for No. 1 Ranking
MLB Pipeline's Jim Callis and Jonathan Mayo, along with's Tim McMaster, begin this week's show by taking a closer look at the Rookie Career Development Program and the players that they are most looking forward to talking to at this year's event. They also discuss the candidates for the No. 1 prospect in baseball and players who are ready to jump into the new Top 100 list.
26 min
12/13/17: 2017 Winter Meetings
On this edition of the podcast, MLB Pipeline's Jim Callis and Jonathan Mayo, along with's Tim McMaster, break down the prospects going back to the Marlins in the Giancarlo Stanton trade (2:15), explore the news of Shohei Ohtani having a sprained ulnar collateral ligament in his right elbow (6:45), preview the upcoming Rule 5 Draft (11:25) and discuss the MLB Scouts of the Year. (19:40)
23 min
12/7/17: 2018 Top 50 Draft List's Jim Callis and Jonathan Mayo, along with's Tim McMaster, break down the best prospects from the new 2018 Top 50 Draft List. University of Florida right-hander Brady Singer heads the rankings, followed by right-handed high school hurler Ethan Hankins and prep lefty Matthew Liberatore. The crew also discusses the Angels' signing of former Braves prospect Kevin Maitan and provides insight on next week's Winter Meetings.
27 min
11/30/17: Two-Way Phenom: Shohei Ohtani
Japanese star Shohei Ohtani could be a complete game-changer for any team in the Majors next season.'s Jim Callis and Jonathan Mayo, along with's Tim McMaster, break down Ohtani's skillset as both an ace pitcher and an MLB-caliber hitter. They also discuss how Ohtani's success could change how other dual-threat prospects are evaluated (3:55), explain the free-agent market for the 13 prospects that the Braves lost for circumventing the international signing rules (9:50), and run down their list of the most intriguing players eligible for the Rule 5 Draft (15:15).
25 min
11/17/17: Arizona Fall League Championship's Jonathan Mayo and Jim Callis along with's Tim McMaster preview the Arizona Fall League championship game, present their choice for Fall League MVP, look ahead at early 2018 Rookie of the Year candidates, discuss what teams have the right prospect package to trade for Giancarlo Stanton and discuss the prospects the Mariners gave up in a pair of trades to open up the Hot Stove season.
32 min
11/9/17: Fall Stars Game
One of the highlights of every Arizona Fall League season is the annual Fall Stars Game.'s Jim Callis and Jonathan Mayo break down the best performers from the showcase event, including the game's MVP, No. 2 overall prospect Victor Robles. Callis talks about who he is most excited to see as he returns to Arizona for the last week of action, and he and Mayo discuss the tragic death of Red Sox catching prospect Daniel Flores.
31 min
10/26/17: The Arizona Fall League in Full Swing
With the 2017 Arizona Fall League in full swing, some of the games brightest and top prospects have been getting in their extra work.'s Jonathan Mayo and Mike Rosenbaum discuss what they've seen from the Arizona Fall League so far and what stands out the most to them, along with discussing possible high school draft picks for the 2018 Draft. They also spend some time talking with Jake Gatewood of the Milwaukee Brewers' farm system about his time in the Fall League, his 2017 Minor League campaign and more.
27 min
10/17/17: Fall League Interviews's Jonathan Mayo recently caught up with some of the game's best young talent at this year's Arizona Fall League. He spoke with Brewers No. 14 prospect Monte Harrison (1:34), Cardinals No. 18 prospect Oscar Mercado (4:43), Rays No. 13 prospect Brandon Lowe (7:50), Rangers outfield prospect - and nephew of former Yankees great Paul O'Neill - Michael O'Neill (12:00), Giants No. 2 prospect Chris Shaw (14:48), Mariners No. 5 prospect Braden Bishop (18:52), Nationals No. 23 prospect Taylor Gushue (23:40) and Dodgers No. 8 prospect Will Smith (27:46) as they prepared to showcase their skills in the prestigious Fall League.
33 min
10/6/17: Building a Winner's Jim Callis and Jonathan Mayo, along with's Tim McMaster, break down the many ways that this year's postseason teams were able to build their winning rosters. They also predict the World Series winner by using Wins Above Replacement (WAR) (11:55), discuss the Arizona Fall League's new extra-inning runner-placement rule (22:10) and preview which prospects they are looking forward to seeing in the Arizona Fall League (27:18).
34 min
9/29/17: Playoff Rookie Draft
On this edition of the podcast,'s Jim Callis and Jonathan Mayo along with's Tim McMaster try their hand at general manager and draft the best rookies from teams heading into the postseason. They also take a look back at their preseason playoff predictions and tell us which team will be crowned World Series champions.
30 min
9/22/17: Prospects on the Rise's Jim Callis and Jonathan Mayo, along with's Tim McMaster, begin this week's episode by breaking down which pitchers and hitters have improved their stock the most during the 2017 season. Blue Jays prospect Bo Bichette is one of the players that is quickly rising up the rankings, and he joins the show to talk about becoming the first teenager since 1963 to lead the Minors in batting average. The Pipeline crew also discusses which rookies they think have the most long-term potential (16:50) and whether scouts think Shohei Ohtani will make a better pitcher or hitter in the Major Leagues (23:00).
31 min
9/15/17: 2018 Predictions's Jim Callis and Jonathan Mayo, along with's Tim McMaster, take their best shot at predicting who the Top 10 prospects will be at the conclusion of the 2018 season (:40). The crew also discusses this year's spike in Minor League players with 20 homers and 20 steals (8:35), Willie Calhoun's MLB future (15:10) and long-time prospects like Yoan Moncada, Lucas Giolito and Byron Buxton, who have graduated to the Majors and are beginning to live up to their billing (19:45).
30 min
9/8/17: Pipeline Year-End Awards
As the MLB regular season prepares to wind down, the MLB Pipeline crew has officially named their Prospect Team, Hitter and Pitcher of the Year.'s Jonathan Mayo and Jim Callis along with's Tim McMaster break down the awards and talk with the Pipeline Pitcher of the Year, Jon Duplantier, about his success this season. They also discuss the Justin Verlander trade and the prospects that are getting their first taste in the bigs.
29 min
9/1/17: Arizona Fall League Rosters
On this edition of the podcast,'s Jonathan Mayo interviews Pirates top pitching prospect Mitch Keller to find out what he hopes to improve on during his stint in the Arizona Fall League and the pressure of pitching in the playoffs. Mayo is later joined by's Mike Rosenbaum to preview the players they are most excited to see in the upcoming Arizona Fall League.
29 min
8/24/17: High School and College Top-10 Draft L...'s Jonathan Mayo and Jim Callis along with's Tim McMaster begin the show this week by breaking down the new high school and college Top 10 lists for the 2018 Draft.'s Dani Wexelman interviews Yankees prospects Justus Sheffield and Dillon Tate to find out how their 2017 seasons are progressing. The crew wraps up this latest episode by discussing Phillies prospect J.P. Crawford possibly moving from short to third base.
30 min
8/15/17: No. 1 in the 2017 MLB Draft
Royce Lewis was drafted No. 1 overall by the Minnesota Twins in the 2017 Draft. On the latest edition of the Pipeline Podcast, the young shortstop joins's Jonathan Mayo and Jim Callis, along with's Tim McMaster, to discuss how he's been adapting to rookie ball since signing with the Twins. They also take a look at the other top picks from the draft that have gotten off to a good start in their pro career.
31 min
8/7/17: Top 100 Prospects Midseason Re-Rank Show's Jonathan Mayo and Jim Callis, along with MLB Network's Greg Amsinger and Harold Reynolds discuss the new Top 100 Prospect list after the players are re-ranked halfway through the 2017 season. Yoan Moncada of the Chicago White Sox heads the list as the top-ranked prospect in baseball.
43 min
8/3/17: Prospect Interviews's Jonathan Mayo and's Tim McMaster begin the show this week by interviewing Oakland Athletics 2017 third-round pick Nick Allen about the adjustments he has made from playing in high school to starting his career in pro ball and hitting his first professional home run (:35).'s Jim Callis joins in to talk about all of the high school pitching talent that was on display at the recent Under Armour All-America Game (8:45). Next, the crew breaks down the recent prospects that changed teams in the Yu Darvish and Sonny Gray Deadline deals (10:15). Finally, Mayo and Callis talk about what can be expected from No. 2 overall prospect Amed Rosario and No. 19 prospect Ozzie Albies after they made their Major League debuts this week (18:25).
23 min
7/26/17: Midseason Top 100 Prospects List's Jim Callis and Jonathan Mayo, along with's Tim McMaster, break down the brand-new Midseason Top 100 Prospect list this week, but first they're joined by Padres shortstop prospect, Fernando Tatis Jr., who is No. 59 on that list. Tatis talks about the adjustments he has made in his first full professional season and what it was like to be traded at just 17 years old. Next, the crew explains why, for the first time ever, the Top 100 Prospects list is led by eight international signees and eleven positional players at the top of the rankings, starting with Yoan Moncada at No. 1. (9:15) Callis and Mayo also discuss the biggest risers in the rankings , names that just missed the cut and the promotions of Moncada and Rafael Devers to the Majors
34 min