Sky Kalkman @skykalkman.bsky.social Baseball, limes, data nerdery. I ask a lot of questions.
https://skykalkman.substack.com/
Ryan Thibodaux @notmrtibbs.com Baseball Hall of Fame Ballot Tracker with @tonycal.bsky.social and @shutthedore.bsky.social
Tracker: tracker.fyi
Baseball Prospectus @baseballprospectus.com The official BlueSky account of Baseball Prospectus. | Subscribe today: https://www.baseballprospectus.com/subscriptions/
Baseball Reference @baseball-reference.com I'm a website devoted to baseball stats & history. Founded in 2000. Part of the Sports Reference family of sites.
🔗 https://www.baseball-reference.com/
Jay Jaffe @jayjaffe.bsky.social Senior writer at @FanGraphs.com, formerly SI.com and Baseball Prospectus, creator of JAWS, author of The Cooperstown Casebook (2017). Not sticking to sports or paying $8.
Mike Gianella @mikegianella.bsky.social Write about fantasy baseball, post about that and lots of other stuff. He/him/his 
R.J. Anderson @rjandersonwrites.com Player Valuation Specialist for the Washington Nationals | Past: Staff writer for CBS Sports, Baseball Prospectus, FanGraphs
Barton L Smith @themagnuspi.bsky.social Mechanical Engineer, Amateur critic, beer maven, seam tamer, http://baseballaero.com. MLB Team Consultant.
Sam Miller @sammillerbb.bsky.social Ballwriter, pebblehunting.substack.com
Harry Pavlidis @harrypav.bsky.social Baseball Prospectus R&D leader and PitchInfo founder.
www.baseballprospectus.com
www.brooksbaseball.net
Michael Rosen @michaelrosen.bsky.social fangraphs blogger
Rob Arthur @robarthur.bsky.social Data journalist, data scientist, freelancer published many places: WSJ, NYT, the Atlantic, the Guardian, etc.
Before that: staff at FiveThirtyEight
Before that: an evolutionary geneticist.
Dan Brooks @brooksbaseball.net Brooksbaseball.net | Saberseminar.com | Stats Teaching Science | He/Him
Down on the Farm @downonthefarm.bsky.social Down on the Farm is a newsletter featuring analysis, news, notes and summaries of all things minor league baseball, prospects, and player development ⭕️
Substack: https://downonthefarm.substack.com/
Website with predictions: https://oysteranalytics.com/
Stephen Sutton-Brown @srbrown70.bsky.social Braves, heat maps, cars, tractors, and music
Creator of StuffPro and Arsenal Metrics at Baseball Prospectus
He / him
Jeff Zimmerman @jeffwzimmerman.bsky.social 
Kyle Bland @blandalytics.pitcherlist.com Trying to make analytics a little less boring. All takes backed by a colorful chart
Dir. of Data Analytics & Research @ https://pitcherlist.com/. He/Him
Pitch Profiler @mlbpitchprofiler.com Providing Advanced Analytics on Major League Pitchers since 2019 | Created by Jeremy Maschino | www.mlbpitchprofiler.com/?utm_source=bluesky
Jordan in Finland (Fantasy Baseball Oligarch) @rosenjordanblum.bsky.social Income inequality drivers @aboakademi. ⚾✍️@fangraphs.⚾ #s OOPSY & @statlinescout & @prospectslive. OnWork workforce strategist. pet rat owner 🐀🐀
Lance Brozdowski @lancebroz.bsky.social Player Development Analyst for Marquee Sports Network. YouTube and Substack Pitching Content Creator. 
Neil Weinberg @neilweinberg44.bsky.social Mostly, public policy research and analysis. Previously, semi-professional baseball stats explainer and Tigers blogger. Always, friend to dogs.
TimStats @tim-stats.com website: tim-stats.com
X (Twitter): @TimStats
Robert Frey @robertfrey40.bsky.social Independent Consultant in Sports Analytics,
Managing Editor - D2 Baseball (diviibaseball.com)
Pod Co-Host http://linktr.ee/robertfrey40
Beck @zacbeck.bsky.social Prospect Writer @ The Dynasty Dugout | Occasional Brewers Nonsense
Bill Petti @billpetti.bsky.social Data and Decision Science. I used to do some baseball research. ⚾️🏑🥍📈 Creator: baseballr package for #rstats (https://billpetti.github.io/).
Dr. Meredith Wills ⚾️⚾️👀 @bbl-astrophyscs.bsky.social Astrophysics PhD, Baseball HOF, Baseball Deconstruction Expert, Data Scientist, Official Scorer, Superhero, Knitting Designer. Not necessarily in that order.
Signal: bbl_astrophyscs.94
Mark Simon (he/him) @marksimon.bsky.social Editorial at Sports Info Solutions
Host: The Journalism Salute pod.link/journalismsalute
Formerly, ESPN, Baseball Tonight.
Mets notes writer. Wrote "The Yankees Index" book.
Play-by-Play: Muhlenberg/DeSales
Creator- A Lasting Legacy documentary
Carlos Marcano, Bob Abreu & Dick Allen Stan. @camarcano.bsky.social 5x @FSWA finalist, never a winner. Prev. @baseballpro, @PitcherList.
Looking for speX? Here:
https://www.basebotics.com
Looking for Baseball Computer Vision tools? BaseballCV is here!
https://github.com/dylandru/BaseballCV
Renee Dechert @reneedechert.com I write about baseball — mostly the Colorado Rockies. (Fandom is weird.)
Find my work at Purple Row, SB Nation, & Rockies Pitch.
SABR member.
she/her/hers
RockiesPitch.com
https://muckrack.com/renee-dechert
Studes @studes.bsky.social Maybe some baseball with an eye on the Mets, maybe some business, maybe movies and such.
Scott Powers @saberpowers.bsky.social Assistant Professor, Sport Analytics, Statistics @ Rice
saberpowers.github.io
Mike Fast @fastballs.bsky.social Baseball Development - Atlanta Braves
Every LGBTQ person is of sacred worth, deeply and gently loved, valued, and embraced by God.
"Whatever you do for the least of these brothers and sisters of mine, you do for me." - Jesus
Good leadership-see Ezekiel 34
Shelly Verougstraete 🧷 @shellyv643.bsky.social Frenchie Mom l She/Her l 2022 ToutWars Daily Champ l Current: Fantasy Feud Podcast l Former: Rotoworld, Baseball HQ
PitchInfo @pitchinfo.bsky.social PitchInfo, your leading source for pitch classifications and statistics. Find our data on http://BrooksBaseball.net, Baseball Prospectus, and FanGraphs. 
Craig Edwards @craigjedwards.bsky.social MLBPA
Dan Turkenkopf @danturkenkopf.com Senior VP Strategy & Innovation @Milwaukee Brewers. Previously @Apprenda, @IBM
Josh (garik16) @garik16.bsky.social Co-Founder of Hockey-Graphs; hockey, baseball blogger. Isles, Mets, Jets, Knicks, Hotspur, Duke Fan (Duke 09) and Cornell fan
Now mostly a science fiction and fantasy book blogger at garik16.blogspot.com.
He/ Him
Stathead @stathead.com Your all-access ticket to the Sports Reference database. Search for careers, seasons, games, streaks, spans, individual events, and more with our easy-to-use filters.
🔗 https://www.sports-reference.com/stathead/
Jon Becker @jon-becker.com FanGraphs Analyst, Contracts Crank, and Junior Developer. He/him.
robert orr @notthebobbyorr.bsky.social 2023 NFBC Gladiator Overall Winner / data analyst / contributor BaseballProspectus / VT alum and spreadsheet nerd / pretend ball-knower
Jake Mailhot @jakemailhot.com Contributor @FanGraphs.com // Staff Editor @LookoutLanding.bsky.social // Baseball, Star Wars, Dad life (he/him)
Tyler Burch @tylerjamesburch.com Lead Data Analyst for the Boston Red Sox. Recovering physicist.
Formerly: Argonne, CERN (ATLAS), NIU, Murray State, St. Louis-ish.
Tired but hydrated.
Isaac Groffman @isaacgroffman.bsky.social ⚾️📊🧵Researching and Explaining Baseball Data - Binghamton '27 - 19
X(Twitter) - @isaacgroffman
Sara Sanchez @bcbsara.bsky.social Words about baseball. Defending everyone breaking the unwritten rules.
Jonathan Judge @bachlaw.bsky.social Lawyer, former Wisconsinite, (coefficient) shrinkage enthusiast. Baseball Prospectus stats, PECOTA. Likes: Brewers, Packers, statistical parameters.
Matt Trueblood @matrueblood.bsky.social Twins Daily • Brewer Fanatic • North Side Baseball • Baseball Prospectus • North Twin Cities Metro • He/Him
Sports Info Solutions @sportsinfosolutions.com Provides trusted analytics to ESPN, NFL, NBA, MLB, fans & Sportsbooks. Real-time, rich sports data for betting & media. http://sportsinfosolutions.com
Ajay Patel @ajaypatel8.bsky.social R&D @pirates & MIDS @BerkeleyISchool | Previously: @UofR, @dodgers, @optum
Will Harris @sandwichpick.bsky.social Fantasy Baseball Genius. Razzball contributor
Baseball Hopper - https://baseball-hopper.vercel.app/
Blog - https://ballsandsticks.beehiiv.com/
ucla / coyg / oakland a's /📍KCMO
King Raj @rajmehta.ca Baseball writer & analyst for Prospects Live. Creator of stats such as rajWAR, bFIP, and more. Jays fan.
Ben Clemens @benclemens.bsky.social Writer at FanGraphs. Part-time developer, too. Dog lover. Wife guy. Got the talking down, we'll have to see about the listening.
Tangotiger @tangotiger.com MLBAM Senior Data Architect
Website http://www.tangotiger.com
Co-author of The Book, with limited free access from
- Amazon: http://tinyurl.com/tangotiger
- Google Books: http://tinyurl.com/tangotiger2
vivii ૮₍ ˶ᵔ ᵕ ᵔ˶₎ა ♡ @sunshinevvn.bsky.social let’s go red sox 👏👏 👏👏👏
Justin Choi @justinochoi.bsky.social Cleveland Guardians R&D. Past: Nationals, Baseball Prospectus, FanGraphs.
Patrick Dufour @lephysichien.bsky.social Professeur titulaire, département de physique, Université de Montréal.
https://www.laphysiquedubaseball.ca/
Astrophysicist, interested in sport science, baseball, hockey, crossfit and chess among other things.
Alan Nathan @pobguy.bsky.social Professor Emeritus of Physics, U of Illinois. Physics of Baseball: baseball.physics.illinois.edu. Mostly post about baseball. Sometimes Con Law, basketball, physics, WW1, Twilight Zone, ...
Max Marchi @max-marchi.bsky.social I do #rstats and I do baseball. And I wrote a book about their intesection.
Sean Lahman @seanlahman.bsky.social Baseball database guru for SABR. VanGogh collector. In past lives I was a newspaper reporter (D&C/USAToday, New York Sun), encyclopedia editor, and code monkey. #Reds #RIPMCA #Roc
Sean Forman @sean-forman.com Sports Reference Prez & @baseball-reference.com & @fbref.com maker. Yoga, hiking, mcm, & art enthusiast.
Iowa to Philly.
Matan K @matanwrites.bsky.social 🏴☠️- J Jim Albert @jimalbert.bsky.social Bayesian statistician, baseball, tennis enthusiast
Ryan Blake @swingsandtakes.com Baseball Writer
Ken Arneson @kenarneson.bsky.social CTO, @weatherapplied.com
Maxwell Resnick @maxwellresnick.bsky.social UChicago ‘25 || Fmr: Analytics Mariners & Phillies
Jason Collette @jasoncollette.bsky.social Columnist at Rotowire, podcaster at Fangraphs, and very passionate about baseball, beer, UCF, rescued dogs, hiking, and Whataburger. 10x FSWA award finalist; 2x winner.
https://linktr.ee/jasoncollette
Russell A. Carleton @pizzacutter4.bsky.social Baseball Prospectus (emeritus) | author of "The Shift: The Next Evolution in Baseball Thinking" and "The New Ballgame: The Not-So-Hidden Forces Shaping Modern Baseball" (Triumph) | Quad-A Sabermetrician | he/him
Lewie Pollis @lewispoll.is Dog dad. Cheesesteak enthusiast. Data scientist (not the evil kind). He/him
Words on sports, food, and politics here: https://www.thelewsletter.lewispoll.is/subscribe
Nick Wan @nickwan.bsky.social Cincinnati Reds https://nickwan.carrd.co/
Reds in Four @redsinfour.com #Reds fan, pitch modeling analysis, prospects, dynasty fantasy baseball, baseball in general.
I will not rest until Great American Ballpark is more hitter/pitcher neutral.
2024: #YearOfTheSplitter
2025: #YearOfTheKitchenSink
Jack Lambert @lambo.drivelinebaseball.com Director of Baseball Operations at Driveline Baseball
JacobE_STL @jacobstl.bsky.social 17 | Baseball analytics @baseballprospectus.com- D Drew Haugen @drewhaugen.bsky.social Quantitative Analyst Associate @phillies.com
Matt Swartz @mattswa.bsky.social Dad, Economist, Baseball Consultant- primarily for the Nationals, plus arbitration. Created and runs the MLB Trade Rumors arbitration model. Opinions are my own
David Gerth @davidgerth5.bsky.social 
Driveline R&D @drivelinebaseball.com Personalized data-driven training for pitchers, hitters, coaches.
📍 1000’s of pros, 40+ All-Stars, multiple MVPs and Cy Youngs.
➡️ Test. Train. Re-Test.
Hareeb al-Saq @hareeb-alsaq.bsky.social 
@johnnynienstedt.bsky.social @johnnynienstedt.bsky.social 
Joshua Rodrigues @jrodrigues39.bsky.social | Coaching Free Agent Formerly Tampa Bay Rays, Baltimore Orioles
https://open.substack.com/pub/jrod20033?utm_source=share&utm_medium=android&r=1gf924
Eli Ben-Porat @elibenporat.bsky.social Contributor to Baseball America, among other things.
Voros McCracken @vorosmccracken.bsky.social Do you know who I am?!?!!!
inquiries: voros@vorosmccracken.com
Substack: https://substack.com/@vorosmccracken
Stats @redsoxstats.bsky.social 
It's Craigin' Time @cdgoldstein.baseballprospectus.com Editor-in-Chief, Baseball Prospectus | I make the negativity come alive.
Christopher Crawford @myohwhy.bsky.social Baseball & Football. Other stuff. Follow my YouTube channel. https://www.youtube.com/@chrisvcrawford. I love you.
Jarrett Seidler @seidler.bsky.social senior writer @baseballprospectus.com, longtime crank, social circle online circle friend of the show, here more now
Daniel R. Epstein @depstein1983.bsky.social Teacher, union president, baseball writer, and drummer. Contributor @baseballprospectus.com. Music @TheSubwayGhosts. he/him
Sporer @sporer.bsky.social Writer/Podcaster @Fangraphs | @Twitch Partner: sporer | Content Designer @ootpbaseball | IG: p_sporer | Biz email: sporermgmt@gmail.com
Chad Young @chadyoung.bsky.social Managing Editor of RotoGraphs; cohost of Keep or Kut podcast; elementary school tutor. Also like to talk soccer, books, politics, etc. When it's not fantasy, it's Guardians, Sounders, Reign, Cavs.
Keaton Arneson @keatonarneson.fangraphs.com Fantasy Baseball (x2 NFBC Overall Finisher) | Developer @FanGraphs.com | Engineer
Frank Stampfl @frankstampfl.bsky.social 🎙️ Host of Fantasy Baseball Today & FBT Express
Alex Remington @alexremington.bsky.social Atlanta baseball fan. Music lover. American Jew.
Bradley Woodrum @bradleywoodrum.com Baseball analyst, economist, and writer. Current Baseball Prospectus writer, former FanGraphs writer, former Marlins analyst. Opinions are my own, but you may borrow them. I have friends everywhere.
he/him
YouTube: https://www.youtube.com/@BradleyWoodrum
Rudy Gamble @rudygamble.bsky.social I run @razzball.bsky.social MLB/NFL/NBA projections/tools
Josh Hejka @hedgertronic.drivelinebaseball.com Pitching @ PHI | R&D @ Driveline
Mario Delgado Genzor @mariodelgadogenzor.bsky.social Baseball Prospectus. Bullpen games should be banned. Please don't ask me how my favorite teams are doing.
Opinions are mine.
Derek Carty @derekcarty.bsky.social MLB/NFL Fantasy & Betting Analyst (ESPN, RotoGrinders, EV Analytics, Covers, Unabated) | Creator: THE BAT & THE BLITZ Projections | Sabermetrics Guy & Scout School Grad
Weather Applied Metrics @weatherapplied.com The leading provider of weather-related sports analytics.
https://www.weatherapplied.com/
https://blog.weatherapplied.com/
Saberseminar @saberseminar.bsky.social Sabermetrics, Scouting, and the Science of Baseball, a weekend seminar for the benefit of the Angioma Alliance, puts you up close with some of baseball’s top coaches, statisticians, scouts, doctors, and scientists.
https://www.saberseminar.com/
Oyster Analytics @oysteranalytics.bsky.social Two former college ballplayers modeling the next generation of MLB Talent.
Check out our website, with all of our predictions:
https://oysteranalytics.com/
Sabometrics @sabometrics.bsky.social Hopefully posting mostly about MLB and the Mets
Mays Copeland 💥 @mayscopeland.bsky.social I build a fantasy draft assistant at DraftKick.com