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matt dennewitz

@mattdennewitz.bsky.social
298 followers 785 following 17 posts

🫠 Now: CTO Muck Rack Prev: Pitchfork, WIRED, them.us Global synth search: wigglehunt.com Baseball Observer: baseball.observer ex. pitchfork

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Reposted by matt dennewitz
Saberseminar @saberseminar.bsky.social · 15/08/2026
We'll be converting all ticket sales to *late registrations* (at a higher fee) soon. Buy your tickets now! events.ticketleap.com/tickets/sabe...
events.ticketleap.com
Saberseminar 2026 - At Illinois Tech
Sabermetrics, Scouting, and the Science of Baseball is the premier baseball analytics event. We get front office insiders, scientists, scouts, and sabermetricians into the same room and have them talk...
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matt dennewitz @mattdennewitz.bsky.social · 03/05/2026
*me voting in chicago*
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matt dennewitz @mattdennewitz.bsky.social · 25/04/2026
Art
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Reposted by matt dennewitz
John Choiniere @johnchoiniere.bsky.social · 11/04/2026
There is, quite simply, no better or easier way to get your work seen by just about every team in the league. Do it!
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Reposted by matt dennewitz
jen ramos-eisen @jenramose.online · 06/01/2026
thread of responses from MLB clubs w/r/t Venezuelan players/staff
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matt dennewitz @mattdennewitz.bsky.social · 27/12/2025
Damn you! www.sports-reference.com/immaculate-g...
sports-reference.com
Immaculate Grid #1000 was shared with you
Put your baseball knowledge to the test! Immaculate Grid is a daily trivia game powered by Sports Reference. Want to play infinite Immaculate Grid? You can now go all the way back to Grid #1
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Reposted by matt dennewitz
"Le Chonk" @cdgoldstein.baseballprospectus.com · 23/12/2025
last effort: I run a baseball site with some of my best, smartest, and most talented friends. we do fun and engaging work all year long, and it's about to get more expensive to read that work as of 1/1. I'd much rather you get in the door as cheap as possible. It also makes for a great gift:
baseball-prospectus.myshopify.com
Premium Gift Subscription
Fill out the information above to purchase a gift subscription. An email will be sent to the recipient within two weeks letting them know. Complete access to BP’s premium editorial content Dozens of a...
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Reposted by matt dennewitz
Baseball Observer @baseballobserver.bsky.social · 23/12/2025
NEW on Baseball Observer: search and publisher filtering. Baseball Observer now supports semantic text search. Three modes are available: (hybrid) relevance, date (chrono > relevance), combined (relevance + chrono). h/t @jenramose.online for nudging along search and other improvements
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Reposted by matt dennewitz
dan sinker @dansinker.com · 01/12/2025
Over the weekend I posted a little gift guide of rad artists, Chicago folks, and other things I like a lot. dansinker.com/posts/2025-1...
dansinker.com
All Rad, No Bad | dansinker.com
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matt dennewitz @mattdennewitz.bsky.social · 27/09/2025
Meanwhile: Sweep das Bein, Zentner
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matt dennewitz @mattdennewitz.bsky.social · 27/09/2025
Is this The Brandt Game
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matt dennewitz @mattdennewitz.bsky.social · 16/09/2025
Welcome
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matt dennewitz @mattdennewitz.bsky.social · 29/08/2025
The “yeah, I seen her… that is to say, I saw her” / “yeah, I saw her… that is to say, I seen her” circle of life
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Reposted by matt dennewitz
Stephen Sutton-Brown @srbrown70.bsky.social · 26/08/2025
These are all the slides and github repos from SaberSeminar that I've seen folks post so far. If anyone sees anything missing let me know and I'll add it to the doc! docs.google.com/document/d/1...
docs.google.com
saberseminar 2025 public presentations
“Path Finder” - Conner Pelletier, Sam Ehrlich, Tanner Stokey https://drivelinebb-my.sharepoint.com/:p:/g/personal/sam_ehrlich_drivelinebaseball_com/EV1f3NJENzpPm3J_-9Q9VJ0BCFOkCI9MbbppiN4vN8GHyQ?rtime...
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matt dennewitz @mattdennewitz.bsky.social · 24/08/2025
Enormous thank you to @saberseminar.bsky.social for having @enosarris.bsky.social and myself to talk about imputing arm angles. Our slides: docs.google.com/presentation... Code: github.com/pitchingplus...
docs.google.com
Imputing Arm Angles
Imputing Arm Angle from Readily Available Metrics Eno Sarris, Matt Dennewitz: Saber Seminar 2025 eno
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matt dennewitz @mattdennewitz.bsky.social · 12/08/2025
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Reposted by matt dennewitz
Aisle424 Has Fallen @aisle424.bsky.social · 29/07/2025
Fuck cancer.
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matt dennewitz @mattdennewitz.bsky.social · 07/07/2025
@agaerig.bsky.social had something similar w/ I’m On One for a time
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matt dennewitz @mattdennewitz.bsky.social · 14/06/2025
Wrote up a couple of recipes on unstructured data extraction from MLB prospect ranking lists using LLMs. What used to be gory scraping work is now wonderfully simple.
singletonsgoingsteady.com
Extract MLB Prospect Lists with LLMs — No Code Needed
I’ve been tinkering with an idea: a site that combines publicly available MLB prospect lists and lets you weight each outlet’s rankings however you like. The data is messy, and the means of acquisitio...
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matt dennewitz @mattdennewitz.bsky.social · 24/05/2025
Thanks! Django, htmx, Postgres/pgvector for the app. OpenAI for cluster titling and article categorization. DBSCAN for clustering.
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matt dennewitz @mattdennewitz.bsky.social · 06/03/2025
missed this in the polars docs: you can load a polars dataframe from pydantic. github.com/pola-rs/pola....
github.com
feat(python): support `DataFrame` init from `pydantic` model data by alexander-beedie · Pull Request #8178 · pola-rs/polars
Closes #8154. This was a simple addition; pydantic model data is largely equivalent to @dataclass or NamedTuple data, which we already support. Only needed a few minor tweaks to leverage the existi...
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matt dennewitz @mattdennewitz.bsky.social · 19/02/2025
Mets?
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matt dennewitz @mattdennewitz.bsky.social · 12/12/2024
Your first mistake was sending emails
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matt dennewitz @mattdennewitz.bsky.social · 20/11/2024
Even this undersells the value prop! If you enjoy this world a little or a lot, then subscribe.
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matt dennewitz @mattdennewitz.bsky.social · 29/07/2023
This is a breakthrough moment for you and the platform
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