Jim Callis@jimcallisMLB

Senior writer for @MLBPipeline (MLB.com); happy husband and father of four.

 suburban Chicago
MLBPipeline.com
Joined April 2010
1,921 Photos and videos
A fine World Series-related question kicks off the latest @MLBPipeline Inbox: atmlb.com/4eOlLyS

Inbox: What would all-prospect World Series lineups look like?

I'm looking forward to what should be a fun World Series, and my prediction is Brewers over Rays in six games. Let's start today's Pipeline Inbox with a related question ...

mlb.com
MLB Pipeline
@MLBPipeline
5h
New Inbox: atmlb.com/4eOlLyS 📨 Forming prospect lineups from WS teams? 📨 Prospects @JimCallisMLB believed in too much? 📨 Team with the most rookies on its '27 roster? 📨 What is Jaison Chourio's ceiling?
Images of Jesús Made, Jared Kelenic, Walker Jenkins and Jaison Chourio PIPELINE INBOX

ALT Images of Jesús Made, Jared Kelenic, Walker Jenkins and Jaison Chourio PIPELINE INBOX
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Last call for @MLBPipeline Inbox questions. Send them here or to pipeline@mlb.com. Thanks!
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Still looking for @MLBPipeline Inbox questions. Send them here or to pipeline@mlb.com. Thanks!
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Our choices run the gamut from 10 first-rounders to the 508th overall pick. atmlb.com/3UGcnqj

Each team's top performer from the 2026 Draft

You can only make one first impression. Organizations handle recent Draft picks in all sorts of ways. Sometimes, they’ll hold them back for lighter work at the Spring Training complex, work that...

mlb.com
MLB Pipeline
@MLBPipeline
Oct 22
223 picks from the 2026 MLB Draft made their pro debuts this summer. Here's the prospect who fared the best from each organization: atmlb.com/3UGcnqj
Against a dark blue background with MLB club logos, images of Ryder Helfrick, Jacob Lombard, Zion Rose, Caden Sorrell, Cameron Flukey, Sawyer Strosnider and Vahn Lackey

ALT Against a dark blue background with MLB club logos, images of Ryder Helfrick, Jacob Lombard, Zion Rose, Caden Sorrell, Cameron Flukey, Sawyer Strosnider and Vahn Lackey
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I always enjoy taking @MizzouBaseball with @thevandalorian! Just wish our football teams had fared better last Saturday.
MizzouToday@MizzouToday
Oct 21
Former #Mizzou infielder Jackson Lovich joined elite MiLB company with a 20-40 season in a breakout campaign. More with @jimcallisMLB: on3.com/sites/mizzou-today/n…
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Fire any questions you may have for the @MLBPipeline Inbox at me, here or at pipeline@mlb.com. Thanks!
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Thanks to Tate Southisene for joining us on the latest @MLBPipeline Podcast: atmlb.com/4zhWrJu 🎧 Grading our preseason predictions 🎧 #WorldSeries banter 🎧 @MLBazFallLeague standouts 🎧 Listener mailbag
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The @Brewers & @RaysBaseball have a lot in common . . . but not the way they built their #WorldSeries clubs. atmlb.com/4zHM0zd

Savvy trades, sharp scouting key to construction of this year's World Series rosters

The Brewers and Rays have much in common. They led their leagues in victories during the regular season and are seeking their first World Series championship, a goal one of them will achieve by the...

mlb.com
MLB Pipeline
@MLBPipeline
Oct 21
Homegrown? Trades? Free agents? Let's break down how the #Brewers and #Rays' projected #WorldSeries rosters were built: atmlb.com/4zHM0zd
MLB WORLD SERIES CAPITAL ONE 2026 Rays: 3 Draft, 1 international, 16 trades, 1 Rule 5, 5 free agents Brewers: 7 Draft, 3 international, 15 trades, 1 free agent

ALT MLB WORLD SERIES CAPITAL ONE 2026 Rays: 3 Draft, 1 international, 16 trades, 1 Rule 5, 5 free agents Brewers: 7 Draft, 3 international, 15 trades, 1 free agent
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I'm back in the @MLBPipeline Inbox saddle again this week. Send your questions here or to pipeline@mlb.com. Thanks!
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Have a question you'd like addressed on the next @MLBPipeline Podcast? Send it here or to pipeline@mlb.com, and we may answer it on the show. Also may use them in the Pipeline Inbox later this week. Thanks!
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Lots of intriguing prospect numbers to parse here: atmlb.com/4hWgJ5L

Here's one stat from each farm system that caught our eye in 2026

The most important thing for prospects is development: learning how to be a professional, acquiring new skills, sharpening tools or pitches. There often can be bumps in the road along the path to the...

mlb.com
MLB Pipeline
@MLBPipeline
Oct 14
👀 48 HR 👀 10.38 K/BB 👀 176 wRC+ Here's one eye-popping stat from each organization: atmlb.com/4hWgJ5L
Against a dark blue background of MLB club logos, images of Kade Anderson, Theo Gillen, Eric Hartman, Andrew Fischer, Caleb Bonemer, Seth Hernandez and Rainiel Rodriguez

ALT Against a dark blue background of MLB club logos, images of Kade Anderson, Theo Gillen, Eric Hartman, Andrew Fischer, Caleb Bonemer, Seth Hernandez and Rainiel Rodriguez
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This was part of the latest @MLBPipeline Podcast: atmlb.com/4zhWrJu 🎧Early @MLBazFallLeague standouts 🎧Interview with @Yankees SS Dax Kilby 🎧Fall League participants vying for 40-man spots 🎧Listener mailbag

Grading Our Predictions (Guest: Tate Southisene) by MLB Pipeline

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 in the latest...

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MLB Pipeline
@MLBPipeline
Oct 14
The Arizona Fall League is often about making up for lost time. But it can also be about taking a step forward. Here are 12 prospects who are working to earn 40-man roster spots: atmlb.com/4hKLKt9
Images of Yasser Mercedes, Carlos Sanchez, Jett Williams, Aroon Escobar and Luke Fox MLB ARIZONA FALL LEAGUE

ALT Images of Yasser Mercedes, Carlos Sanchez, Jett Williams, Aroon Escobar and Luke Fox MLB ARIZONA FALL LEAGUE
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My latest @MLBPipeline Newsletter focuses on which teams originally signed the most LCS players, plus more: atmlb.com/47j5ZIk Sign up to get our weekly newsletter emailed to you here: atmlb.com/3D1wzWD
clockwise, from top left: Guardians LHP Parker Messick, Rays 3B Junior Caminero, Dodgers DH/RHP Shohei Ohtani, Brewers 2B Brice Turang

ALT clockwise, from top left: Guardians LHP Parker Messick, Rays 3B Junior Caminero, Dodgers DH/RHP Shohei Ohtani, Brewers 2B Brice Turang
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I'm starting to believe that Caleb Bonemer may be starting in the outfield for the @whitesox by the middle of next season: atmlb.com/4ifgBhv

Bonemer looks to take fast lane to South Side with OF reps in Fall League

SCOTTSDALE, Ariz. -- The White Sox had high expectations for Caleb Bonemer when they paid him a well-over-slot $2,997,500 bonus in the second round of the 2024 Draft. He keeps exceeding them, so...

mlb.com
MLB Pipeline
@MLBPipeline
Oct 12
The fast lane to Rate Field might run through the outfield for @WhiteSox No. 2 prospect Caleb Bonemer, so that's where he's working in the Arizona Fall League. With the youth movement booming on the South Side, the wait might not be long: atmlb.com/4ifgBhv
ARIZONA FALL LEAGUE On the left: WHITE SOX LOGO GLENDALE LOGO On the right: Photo of Caleb Bonemer

ALT ARIZONA FALL LEAGUE On the left: WHITE SOX LOGO GLENDALE LOGO On the right: Photo of Caleb Bonemer

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New @MLBPipeline Inbox: atmlb.com/4hSp9cQ 📨 2027 Rookies of the Year? 📨 Should @Cardinals C Rainiel Rodriguez rank higher? 📨 Can @WhiteSox 3B/SS Caleb Bonemer stick in CF? 📨 Is Aidan Miller ready to replace Alec Bohm for @Phillies?

Inbox: Early candidates for 2027 Rookie of the Year?

If you need to fill in the gaps between watching MLB playoff games, don't forget that almost all of the Arizona Fall League games stream live at mlb.com. Check out the complete schedule here. And...

mlb.com
MLB Pipeline
@MLBPipeline
Oct 9
De Paula? King? Arias? Jenkins? @jimcallisMLB dives into candidates for 2027's Rookie of the Year and more in this week's Inbox: atmlb.com/4hSp9cQ
Los Angeles Dodgers outfielder Josue De Paula in gray uniform

ALT Los Angeles Dodgers outfielder Josue De Paula in gray uniform
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Tools, metrics, makeup -- @Dodgers OF Eduardo Quintero has the complete package. atmlb.com/4jMp6BU

'Incredibly excited' Dodgers send electric prospect Quintero toward future at Arizona Fall League

SCOTTSDALE, Ariz. -- Even after including Zyhir Hope in the Tarik Skubal trade in August, the Dodgers have more blue-chip outfield prospects than spots in the outfield to play them. Josue De Paula is...

mlb.com
MLB Pipeline
@MLBPipeline
Oct 9
Could Eduardo Quintero end up being the best of the @Dodgers' stacked group of outfield prospects? The 21-year-old -- No. 15 on MLB's Top 100 -- is showing off his exceptional tools in the Arizona Fall League, where he's one of the main attractions: atmlb.com/4jMp6BU
ARIZONA FALL LEAGUE LOGO On the left: DODGERS LOGO GLENDALE LOGO On the right: Photo of Eduardo Quintero

ALT ARIZONA FALL LEAGUE LOGO On the left: DODGERS LOGO GLENDALE LOGO On the right: Photo of Eduardo Quintero
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Working on the @MLBPipeline Inbox this morning, so there's still time to get questions in! Send them here or to pipeline@mlb.com. Thanks!
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I enjoy watching Walcott & talking to him -- glad we get him back in the @MLBazFallLeague after last year's trip was interrupted. atmlb.com/4iaPR1J

Rangers' Walcott -- highest-ranked prospect in the AFL -- appreciating health in 2nd stint in desert

SCOTTSDALE, Ariz. -- Sebastian Walcott arrived in the Arizona Fall League a year ago, ready to lay the groundwork for a special season. The Rangers shortstop had conquered Double-A at age 19, earning...

mlb.com
MLB Pipeline
@MLBPipeline
Oct 8
Sebastian Walcott was shut down after just one Arizona Fall League game last year. Now the @Rangers' top prospect is back in the desert -- and the highest-ranked prospect there -- as he eyes a breakout season: atmlb.com/4iaPR1J
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Still seeking questions for tomorrow's @MLBPipeline Inbox. Submit them here or via pipeline@mlb.com. Thanks!
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Aside from his youth, Cabada is also one of the more promising hitters in the @Cubs system: atmlb.com/4j7syXH

Age is but a number for Cubs' Cabada, the second-youngest player in the Fall League

SCOTTSDALE, Ariz. -- One of the most gifted young hitters in the Cubs system, Juan Cabada was ready for the challenges that awaited him when he made his U.S. debut this year. Signed for $1.5 million...

mlb.com
MLB Pipeline
@MLBPipeline
Oct 8
18-year-old Juan Cabada, the 2nd-youngest player in the Arizona Fall League, headlines the crop of @Cubs in the desert: atmlb.com/4j7syXH
ARIZONA FALL LEAGUE On the left: CUBS LOGO MESA LOGO On the right: Photo of Juan Cabada

ALT ARIZONA FALL LEAGUE On the left: CUBS LOGO MESA LOGO On the right: Photo of Juan Cabada
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