matt dennewitz
@mattdennewitz.bsky.social
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🫠 Global synth search: wigglehunt.com Baseball Observer: baseball.observer
reposted by
matt dennewitz
jen ramos-eisen 🇵🇭
17 days ago
thread of responses from MLB clubs w/r/t Venezuelan players/staff
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matt dennewitz
Craig the Beer-Ambassador Elephant
about 1 month ago
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:
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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...
https://baseball-prospectus.myshopify.com/products/gift-subscription
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matt dennewitz
Baseball Observer
about 1 month ago
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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matt dennewitz
dan sinker
about 2 months ago
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...
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All Rad, No Bad | dansinker.com
https://dansinker.com/posts/2025-11-28-gift-guide/
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matt dennewitz
Stephen Sutton-Brown
5 months ago
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...
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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...
https://docs.google.com/document/d/165gr9wRmOJ8xcbSOSJjYir6COhB-zt2ytUh41M_kIlY/edit?usp=sharing
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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...
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Imputing Arm Angles
Imputing Arm Angle from Readily Available Metrics Eno Sarris, Matt Dennewitz: Saber Seminar 2025 eno
https://docs.google.com/presentation/d/1z0oY6ctAqvOuVBb6a3FHXP_6nxInQ9A3hqLB_DA7nuc/edit?usp=drivesdk
5 months ago
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Aisle424 Has Fallen
6 months ago
Fuck cancer.
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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.
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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...
https://www.singletonsgoingsteady.com/extract-mlb-prospect-lists-with-llms-no-code-needed/
7 months ago
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missed this in the polars docs: you can load a polars dataframe from pydantic.
github.com/pola-rs/pola...
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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...
https://github.com/pola-rs/polars/pull/8178
11 months ago
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Even this undersells the value prop! If you enjoy this world a little or a lot, then subscribe.
add a skeleton here at some point
about 1 year ago
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