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.
we'll build your catapult but guess who's first in that ride, Nazi funboy motherfucker?
Elon Musk told employees at xAI, his artificial intelligence company, on Tuesday that the company needed a factory on the moon to build A.I. satellites and a massive catapult to launch them into space.
Elon Musk Wants to Build an A.I. Satellite Factory on the Moon
In a meeting with employees at his company xAI, Mr. Musk revealed a vision for a facility that includes a giant catapult to launch his satellites into space.
nyti.ms
February 11, 2026 at 4:06 PM
we'll build your catapult but guess who's first in that ride, Nazi funboy motherfucker?
Reposted by Jay Jaffe
“Who is buying ‘Melania’ tickets?”
February 10, 2026 at 10:47 PM
“Who is buying ‘Melania’ tickets?”
Reposted by Jay Jaffe
This was well done by @jacobfeldman.bsky.social (it's very helpful.
But also.... maybe leagues and networks shouldn't make this so confusing to the point where a full 16-box flow chart is required to figure out how to watch baseball.
But also.... maybe leagues and networks shouldn't make this so confusing to the point where a full 16-box flow chart is required to figure out how to watch baseball.
February 10, 2026 at 9:47 PM
This was well done by @jacobfeldman.bsky.social (it's very helpful.
But also.... maybe leagues and networks shouldn't make this so confusing to the point where a full 16-box flow chart is required to figure out how to watch baseball.
But also.... maybe leagues and networks shouldn't make this so confusing to the point where a full 16-box flow chart is required to figure out how to watch baseball.
14/10 for being a real one.
February 10, 2026 at 8:28 PM
14/10 for being a real one.
transcript now available for those of you into things of that nature.
Chatting at 12 pm ET! Pitchers, catchers, things of that nature.
Jay Jaffe FanGraphs Chat – 2/10/26 blogs.fangraphs.com/jay-jaffe-fa...
February 10, 2026 at 6:55 PM
transcript now available for those of you into things of that nature.
Chatting at 12 pm ET! Pitchers, catchers, things of that nature.
February 10, 2026 at 4:35 PM
Chatting at 12 pm ET! Pitchers, catchers, things of that nature.
@baumann.bsky.social biting into the big questions.
"Eat up, kid, there are hungry players in the Pecos League.”
"Eat up, kid, there are hungry players in the Pecos League.”
How Much Free Food Can a Player Consume Under the CBA? blogs.fangraphs.com/how-much-fre...
How Much Free Food Can a Player Consume Under the CBA?
Eat up, kid, there are hungry players in the Pecos League.
blogs.fangraphs.com
February 10, 2026 at 4:13 PM
@baumann.bsky.social biting into the big questions.
"Eat up, kid, there are hungry players in the Pecos League.”
"Eat up, kid, there are hungry players in the Pecos League.”
Reposted by Jay Jaffe
the investigation
February 10, 2026 at 3:11 PM
the investigation
some very interesting stuff about the way gaps in minor league data make projecting some teams (especially small-market teams that deploy more young players, with shorter track records) harder than doing so for others.
The current gray market trade in minor league player statistics for certain levels is one of the subjects discussed.
It is long past time for MLB to crack down, standardize, and publicize this data itself, so analysts aren’t caught between following the rules and doing their best work.
It is long past time for MLB to crack down, standardize, and publicize this data itself, so analysts aren’t caught between following the rules and doing their best work.
to start us off on PECOTA Week, @bachlaw.bsky.social wrote about if/how the model has been updated and what would actually be a major impact in the future, if it becomes available:
February 10, 2026 at 3:31 PM
some very interesting stuff about the way gaps in minor league data make projecting some teams (especially small-market teams that deploy more young players, with shorter track records) harder than doing so for others.
Reposted by Jay Jaffe
new @fangraphs.com: I was swamped by Hall of Fame stuff when Wilbur Wood passed away a few weeks ago but last weeks' death of Mickey Lolich provided an opening to put the careers of both rubber-armed lefties — one a power pitcher, the other a knuckleballer — into perspective.
The 300: A Tribute to the Ultra-Durable Mickey Lolich and Wilbur Wood blogs.fangraphs.com/the-300-a-tr...
The 300: A Tribute to the Ultra-Durable Mickey Lolich and Wilbur Wood
The two late lefties piled up unfathomable innings totals while starring in the American League in the 1970s.
blogs.fangraphs.com
February 9, 2026 at 5:57 PM
new @fangraphs.com: I was swamped by Hall of Fame stuff when Wilbur Wood passed away a few weeks ago but last weeks' death of Mickey Lolich provided an opening to put the careers of both rubber-armed lefties — one a power pitcher, the other a knuckleballer — into perspective.
Jesus, Krist
dude completely sucks
February 10, 2026 at 12:58 AM
Jesus, Krist
Congrats to all at @baseballprospectus.com and @baseballamerica.com for their hard work. It’s a damn good mail day when these books show up!
February 9, 2026 at 11:08 PM
Congrats to all at @baseballprospectus.com and @baseballamerica.com for their hard work. It’s a damn good mail day when these books show up!
finally I can decide that one of my posts isn't good enough to share just yet... then spring it on you later, when it's still terrible.
February 9, 2026 at 8:34 PM
finally I can decide that one of my posts isn't good enough to share just yet... then spring it on you later, when it's still terrible.
what could possibly go wrong? allow @davyandrewsdavy.bsky.social to explain...
February 9, 2026 at 7:46 PM
what could possibly go wrong? allow @davyandrewsdavy.bsky.social to explain...
Reposted by Jay Jaffe
One More Ride for Paul Goldschmidt blogs.fangraphs.com/one-more-rid...
One More Ride for Paul Goldschmidt
Even in the twilight of his career, Goldschmidt offers the Yankees something they couldn’t find anywhere else.
blogs.fangraphs.com
February 9, 2026 at 7:05 PM
One More Ride for Paul Goldschmidt blogs.fangraphs.com/one-more-rid...
Reposted by Jay Jaffe
once again I am proposing that we send elon musk to any non-earth celestial object of his choosing to scout locations for local development
BREAKING: “in my 24th year of my quest to settle the planet Mars, I have just been informed of a basic fact of celestial mechanics.”
February 9, 2026 at 6:02 PM
once again I am proposing that we send elon musk to any non-earth celestial object of his choosing to scout locations for local development
new @fangraphs.com: I was swamped by Hall of Fame stuff when Wilbur Wood passed away a few weeks ago but last weeks' death of Mickey Lolich provided an opening to put the careers of both rubber-armed lefties — one a power pitcher, the other a knuckleballer — into perspective.
The 300: A Tribute to the Ultra-Durable Mickey Lolich and Wilbur Wood blogs.fangraphs.com/the-300-a-tr...
The 300: A Tribute to the Ultra-Durable Mickey Lolich and Wilbur Wood
The two late lefties piled up unfathomable innings totals while starring in the American League in the 1970s.
blogs.fangraphs.com
February 9, 2026 at 5:57 PM
new @fangraphs.com: I was swamped by Hall of Fame stuff when Wilbur Wood passed away a few weeks ago but last weeks' death of Mickey Lolich provided an opening to put the careers of both rubber-armed lefties — one a power pitcher, the other a knuckleballer — into perspective.
Reposted by Jay Jaffe
Reposted by Jay Jaffe
You're laughing? The team that lends their plane for deportation flights and whose owner is best pals with Trump got utterly humiliated in front of a hundred million viewers, and you're laughing?
February 9, 2026 at 3:24 AM
You're laughing? The team that lends their plane for deportation flights and whose owner is best pals with Trump got utterly humiliated in front of a hundred million viewers, and you're laughing?
Good mail day as I’ve received a galley copy of @michaelclair.bsky.social’s forthcoming book on the Czech Republic national team, as they prepare for their 2nd trip to the World Baseball Classic.
February 7, 2026 at 7:34 PM
Good mail day as I’ve received a galley copy of @michaelclair.bsky.social’s forthcoming book on the Czech Republic national team, as they prepare for their 2nd trip to the World Baseball Classic.
Reposted by Jay Jaffe
Reposted by Jay Jaffe
"For years, a cottage industry of political observers has contorted itself to obscure and occlude the obvious. That regardless of what others see in him, Trump’s entire political career...cannot be understood outside the context of his bitter, deep-seated racism." (gift link)
Opinion | This Is Just Who Trump Is
www.nytimes.com
February 7, 2026 at 4:49 PM
"For years, a cottage industry of political observers has contorted itself to obscure and occlude the obvious. That regardless of what others see in him, Trump’s entire political career...cannot be understood outside the context of his bitter, deep-seated racism." (gift link)
Reposted by Jay Jaffe
If there's one benefit from all the Republican criminality and corruption it's that you never have to treat them like good faith interlocutors again. Every currently living Trump accomplice should be treated at most to a reflexive "Eat Shit" for life, and that's better than they deserve
VA Senate president responds to Ted crying about VA’s redistricting, which should add 4 new Dem seats.
February 7, 2026 at 4:46 PM
If there's one benefit from all the Republican criminality and corruption it's that you never have to treat them like good faith interlocutors again. Every currently living Trump accomplice should be treated at most to a reflexive "Eat Shit" for life, and that's better than they deserve
Watching the men’s Olympic downhill — my favorite event — with my daughter, who is absolutely riveted… because she wants to see a crash. Her jaw dropped when I showed her Hermann Maier’s 1998 crash www.instagram.com/reel/DUc5z9F...
olympics on Instagram: "Hermann Maier’s crash at Nagano 1998 left fans holding their breath, though he later made a remarkable comeback. 😱#Olympics #Milan…"
Hermann Maier’s crash at Nagano 1998 left fans holding their breath, though he later made a remarkable comeback. 😱#Olympics #MilanoCortina2026 #Alpine
www.instagram.com
February 7, 2026 at 5:25 PM
Watching the men’s Olympic downhill — my favorite event — with my daughter, who is absolutely riveted… because she wants to see a crash. Her jaw dropped when I showed her Hermann Maier’s 1998 crash www.instagram.com/reel/DUc5z9F...
Terrible news
Terrance Gore was the Braves player who Facetime’d Charlie Morton from the field after winning the World Series so Charlie could celebrate with the guys despite his broken leg.
RIP to by all accounts a legitimately great dude and teammate.
RIP to by all accounts a legitimately great dude and teammate.
Him and I have been friends on Facebook for years. His wife and other friends have made posts this morning about it.
February 7, 2026 at 4:03 PM
Terrible news