sam ehrlich retweetledi
🚨 WE'RE HIRING 🚨
Open positions for hitting, pitching and high-performance at all three of our locations in AZ, FL and WA.
Apply today: teamworkonline.com/baseball-jobs/…
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sam ehrlich
633 posts
sam ehrlich
@SamEhrlich
Driveline Baseball Ops Analyst, MIZ M.S. Data Science 2023 CHI Cubs and Bears
Katılım Eylül 2018
364 Takip Edilen653 Takipçiler
@papamoon92 I think next time I'll be around is late august for Sabersem 👀
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@SamEhrlich Absolutely spot on! Much appreciated, Sam. Looking forward to finally catching you at a meet up one of these days if you’re ever in Chicago.
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Sean does a White Sox lineup simulation challenge each year, so get your lineups in!
He's also hosting a Chicago sport analytics meetup on April 9th!
Lots of big stuff for the Chicago sport analysts!! x.com/papamoon92/sta…
Sean Sullivan@papamoon92
🚨⚾️🌭🚨⚾️🌭 The 2026 White Sox Twitter Lineup Simulation Challenge is now live! You have until Sunday, March 22nd to submit your lineup! Top placing lineups will be eligible for @MoreThanDawgs gift cards! Here's your chance to prove how smart you are! Link in the replies
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sam ehrlich retweetledi
Automatic Ball-Strike (ABS) says Miller's pitch to Perdomo missed low by 2.64" inches.
Here's every comparable breaking ball against 6'2" hitters since 2020, with each pitch inching *closer* to the strike zone.
Jack Lambert@jacklambert__
How our models viewed this pitch: 60% chance of swing, 40% chance of take If no swing: 0.5% chance of CS If swing: 63% chance of whiff Model trained on MLB data so not accounting for WBC umpiring, but not surprised our swing decision model had this as an ELITE decision
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sam ehrlich retweetledi
I recently subscribed to Nava Wolfish’s Substack, and she’s writing a terrific series of posts about ball-bat collisions. The physics is beyond my knowledge, but she has a knack for diligently explaining this information. I linked the article here! open.substack.com/pub/wolfishn/p…
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@Shawn_Spradling Really cool idea! They do this for League of Legends as well. T1 with 6 stars on their jersey after '25 shows the history of the org
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Petition to add stars to the uniforms of each WBC champion like in soccer
Here are a few patch placement options:
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@jacklambert__ @pitchlabapp would look better if he was denormalizing databases in the office 😺
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sam ehrlich retweetledi
Vladdy during the WBC
10/13 Batted Balls over 100 ❗️❗️
38.5% Pull Air 🔥🔥
0 Strikeouts ⛽️
I will be looking to see if he raised his MLB low 1° AA. Getting the most of his elite EV's like he did in '21 & '24 (his highest LA sweet spot seasons), will put Vladdy back in MVP talks
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Tried this pulling data for PCA from the 2025 season. I could see this being useful for trainers and coaches that do not typically pull stats on their own.
Developing Baseball@developbaseball
New Project: Statcast MCP! For all of our friends who love to use AI agents like Claude or love to code on Cursor, this is for you. We built a Statcast MCP that allows users to communicate with the Statcast APIs in plain English. Examples in the README. This allows non technical people to receive interesting insights into deeper baseball analysis. Any questions, please reach out. Try it out: github.com/alex-rimerman/… We are working towards a public Chat Bot type Agent that allows this to be hosted on our website. Stay tuned👀 #Statcast #MCP #Baseball
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sam ehrlich retweetledi
My latest for @DrivelineBB with @PTPitching. Pitchers are going low, and lower every year. The approach can be incredibly effective but it's not for everyone. The science behind the trend, and the art & science in deciding whether or not to experiment: drivelinebaseball.com/2026/03/pitche…
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Open biomech project has incredible resources open to anyone interested in CV and motion capture data. Well documented as well!
Potentially more additions coming soon 👀
Kyle Boddy@drivelinekyle
Reminder that @DrivelineBB has a few open source projects on our GitHub, including: - OpenBiomechanics: Premier source of open mocap data (S&C, Pitching, Hitting, and CV!) - baseballscience-docker - stalker-radar-python - autoresearch-claude-code github.com/drivelineresea…
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sam ehrlich retweetledi
We are back at it!
Save the date and come on out! Holler if you have questions.
Sam Hoppen@SamHoppen
We're having another sports analytics social in Chicago in just under a month! Come join us to talk draft surplus value, MLB's new ABS system, and anything else sports or analytics!
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@EthanReidMorro @moondreamai Fine. I’ll spend the weekend playing around on moondream.
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SOTA segmentation... again. We taught @moondreamai to first think of a coarse mask, then refine it until perfection. Paper coming soon.
moondream@moondreamai
Moondream segmentation just leveled up. ↑ Better masks ↑ New SOTA benchmarks ↑ 40% faster Already live on Moondream Cloud. Local model + technical whitepaper coming later this week. Read more: moondream.ai/blog/segmentin…
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sam ehrlich retweetledi
You have the numbers. Now get the plan.
Introducing the Driveline Roadmap.
Baseball's most complete player development system. Your data, connected. Your goals, within reach. Every step mapped out. All you have to do is show up.
Know where you've been. Know where you are. Know where you're going.
Coming soon to Driveline Baseball.
Stay in the know → drivelinebaseball.com/training/
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Some pics from some of my favorite student presenters at SABR
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sam ehrlich retweetledi
I decided to write up some notes about spinning baseball physics motivated by some conversations at SABR this weekend. Specifically, why the seams reorient under the (seemingly) static spin axis
github.com/viviennep/spin…
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