Michael Rosen
@michaelrosen.bsky.social
📤 4320
📥 267
📝 517
fangraphs blogger
pinned post!
if where a pitch is aimed changes how it moves, can stuff and location truly be separated? i wrote about it for
@fangraphs.com
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Aiming a Pitch Changes How It Moves
Reconsidering the stuff/location dichotomy.
https://blogs.fangraphs.com/aiming-a-pitch-changes-how-it-moves/
7 months ago
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evidently there is no relationship between fastball command and arm angle variance. i wrote about it for
@fangraphs.com
:
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The Junk Box Is Full of Mystery
Janson Junk is one funky fella.
https://blogs.fangraphs.com/the-junk-box-is-full-of-mystery/
about 18 hours ago
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as far as null hypothesis blogs go i think this one turned out pretty fun
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The Junk Box Is Full of Mystery
Janson Junk is one funky fella.
https://blogs.fangraphs.com/the-junk-box-is-full-of-mystery/
about 20 hours ago
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does luzardo get cy young votes at this point lol
11 days ago
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leo rivas wow that's maybe the moment of the season
12 days ago
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reposted by
Michael Rosen
Meg Rowley
15 days ago
Thought Michael did a really nice job with this!
add a skeleton here at some point
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reposted by
Michael Rosen
James Smyth
15 days ago
This is great, and a nice retort to the idea that "analytics" folks don't care about doing the little things
add a skeleton here at some point
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for
@fangraphs.com
, i wrote about trail runners. how often do trail runners advance? which teams do it best? and how much of an impact do they make?
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How Much Do Trail Runners Matter? An Investigation
Hunting ever-slimmer edges in an optimized game.
https://blogs.fangraphs.com/how-much-do-trail-runners-matter-an-investigation/
15 days ago
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savant minor league search if it also had video
18 days ago
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so funny that the tigers got kyle finnegan and were like dude what if you didn't throw your dead zone fastball 70% of the time and now he's unhittable
24 days ago
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so it looks like tong/tolle have two of the best fastballs in the sport
25 days ago
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last year someone came into the aux box and tried to fight me for sitting during the anthem, apparently this is happening all over our great country
add a skeleton here at some point
27 days ago
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not optimal
27 days ago
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who even cares if the mariners lose close winnable games due to preventable strategic mishaps, it's fine
about 1 month ago
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NO MORE BUNTS
about 1 month ago
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🛬🛬🛬 saberseminar 🛬🛬🛬
about 1 month ago
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every immerwahr book review is a delight
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Did Racial Capitalism Set the Bronx on Fire?
To some, the fires lit in New York in the late seventies signalled rampant criminality; to others, rebellion. But maybe they were signs of something else entirely.
https://www.newyorker.com/magazine/2025/08/25/born-in-flames-the-business-of-arson-and-the-remaking-of-the-american-city-bench-ansfield-book-review
about 1 month ago
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jax is having the most annoying season
add a skeleton here at some point
about 1 month ago
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dan wilson using saucedo in a one-run game
about 1 month ago
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looks like bryce has changed the glove movement in his delivery, bringing it up near his head now
about 1 month ago
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reposted by
Michael Rosen
Chris Towers is in Offseason Mode
about 1 month ago
When it comes to pitchers, “weird” is often a compliment. Hitters tend to perform better the more they see a specific type of pitch, and Jacob Lopez’s pitches all come from an arm slot and have a movement profile hitters basically never see.
add a skeleton here at some point
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reposted by
Michael Rosen
Sam Miller
about 1 month ago
The Brewers really might beat out grounders all the way to the World Series:
pebblehunting.substack.com/p/can-you-wi...
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Can You Win A World Series On Infield Grounders?
The Brewers' 28th out.
https://pebblehunting.substack.com/p/can-you-win-a-world-series-on-infield
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jacob lopez sits 90 and strikes out more batters than paul skenes
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Jacob Lopez Is Doing a Credible Chris Sale Impression
Evidently, it’s all in the hips.
https://blogs.fangraphs.com/jacob-lopez-is-doing-a-credible-chris-sale-impression/
about 1 month ago
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reposted by
Michael Rosen
Zach Crizer
about 1 month ago
Good look at Jacob Lopez, a surprise pitching success story for the A's, who is lefty and throwin' with a weird crossfire delivery angle. From
@michaelrosen.bsky.social
at
@fangraphs.com
.
blogs.fangraphs.com/jacob-lopez-...
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Jacob Lopez Is Doing a Credible Chris Sale Impression
Evidently, it’s all in the hips.
https://blogs.fangraphs.com/jacob-lopez-is-doing-a-credible-chris-sale-impression/
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for
@fangraphs.com
, i wrote about jacob lopez defying stuff models in the same manner as chris sale: by throwing it real weird
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Jacob Lopez Is Doing a Credible Chris Sale Impression
Evidently, it’s all in the hips.
https://blogs.fangraphs.com/jacob-lopez-is-doing-a-credible-chris-sale-impression/
about 1 month ago
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john kruk do i have the book for you
add a skeleton here at some point
about 1 month ago
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my dream realignment is four 8 team divisions + only the 1st place team in each division makes the playoffs
about 1 month ago
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mclean looks he's gonna walk a ton of lefties
about 1 month ago
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cris sanchez would be the cy young frontrunner if he had this camera angle every start
about 1 month ago
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4.94 ERA since this post lol
add a skeleton here at some point
about 1 month ago
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find someone who loves you the way jerry dipoto loves right handed relievers with flat VAA fastballs
add a skeleton here at some point
about 1 month ago
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reposted by
Michael Rosen
for
@fangraphs.com
, i wrote about ryan bergert doing stuff that nobody else is doing (besides my GOAT lake bachar)
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In at Least One Respect, Ryan Bergert Looks Like an Ace
The Royals’ recent acquisition features an impressive arsenal.
https://blogs.fangraphs.com/in-at-least-one-respect-ryan-bergert-looks-like-an-ace/
about 1 month ago
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for
@fangraphs.com
, i wrote about ryan bergert doing stuff that nobody else is doing (besides my GOAT lake bachar)
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In at Least One Respect, Ryan Bergert Looks Like an Ace
The Royals’ recent acquisition features an impressive arsenal.
https://blogs.fangraphs.com/in-at-least-one-respect-ryan-bergert-looks-like-an-ace/
about 1 month ago
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bunting is so good. love bunts
about 2 months ago
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that curveball is... insane
about 2 months ago
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#noticing
that a certain seattle-based major league baseball team has the best projected ROS win % in the AL...
about 2 months ago
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if you thought i was done.... think again!!! for my third blog in the last 24 hours, i wrote a eulogy for this era of twins baseball
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The Twins Blow It All The Way Up
Trading Louis Varland perhaps stings most of all.
https://blogs.fangraphs.com/the-twins-blow-it-all-the-way-up/
about 2 months ago
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for
@fangraphs.com
, i extended some measured praise to the royals and their deadline acquisitions
add a skeleton here at some point
about 2 months ago
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i wrote about steven matz, who somewhat incredibly has not added a single pitch since he debuted ten years ago, he is the exact same guy
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The Red Sox Load Up On Lefty Specialists
Steven Matz joins a Red Sox bullpen packed to the gills with southpaws.
https://blogs.fangraphs.com/the-red-sox-load-up-on-lefty-specialists/
about 2 months ago
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reposted by
Michael Rosen
Richard Staff
about 2 months ago
Staffcast! Special guest host Noah Kulwin and I are joined by
@michaelrosen.bsky.social
to talk about Comrade Bryce, crying owners, hot new pitching metas, dumb teams, Trump at Shea Stadium, evil fans, divorced owners, and more!
open.spotify.com/episode/4sWi...
podcasts.apple.com/us/podcast/5...
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58 - Epstein's Owner's Box with Michael Rosen
Staffcast · Episode
https://open.spotify.com/episode/4sWilPJxdxLpUHKPg1JfyN?si=w321eU48Soqdx3KncZvrBA
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i was terrified but in the end had fun going on
@richstaff.bsky.social
's staffcast
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58 - Epstein's Owner's Box with Michael Rosen
Staffcast · Episode
https://open.spotify.com/episode/4sWilPJxdxLpUHKPg1JfyN?si=c343c6c4e1ca45d0
about 2 months ago
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GENOOOOOOOOO
about 2 months ago
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some days i feel like the internet's only angels apologist
about 2 months ago
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i offered some medium-hot mitch keller takes for
@fangraphs.com
:
add a skeleton here at some point
about 2 months ago
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ramon urias you will make an amazing mariner
about 2 months ago
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reposted by
Michael Rosen
Saberseminar
about 2 months ago
Even if you're a casual baseball fan interested in sabermetrics, this is just a great place to meet people (see this piece in Defector). We're all getting together at Maria's Community Bar on 8/23 after the first day of talks, and it will be a blast. See you there!
defector.com/looking-for-...
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Looking For Friends Among Baseball’s Most Passionate Nerds | Defector
CHICAGO — I live in fear of two things: flying and networking. But so powerful was the allure of baseball science and making new friends that I boarded the Flyaway bus to LAX to begin my path to the 2...
https://defector.com/looking-for-friends-among-baseballs-most-passionate-nerds
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1 like = 1 shortstop with a better OAA than JP crawford
2 months ago
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gleyber terrorized the mariners so i was compelled to write about it
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Gleyber Torres Is So Annoying
The Tigers second baseman and resident pest refuses to make an incorrect swing decision.
https://blogs.fangraphs.com/gleyber-torres-is-so-annoying/
2 months ago
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gary: "pete alonso is 7 for his last 71 against LHP breaking balls" keith: "boy, all these stats, it's almost like BIG BROTHER is watching"
2 months ago
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great stuff
add a skeleton here at some point
2 months ago
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throwing more pitches is lowkey goated when getting hitters out is the vibe
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Seven Trends That Defined the “First Half”
What better time to take stock of the general state of the sport?
https://blogs.fangraphs.com/seven-trends-that-defined-the-first-half/
2 months ago
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