The Rapidly Increasing Share of NBA Players Born After LeBron's Debut in 2003


A week ago, LeBron made his season debut for the Lakers, posting an 11/3/12 line in 29 minutes against the Jazz. The outing was particularly notable because it marked the first time any NBA player has ever competed in their 23rd season - a remarkable feat of longevity.

A few days later, I found myself watching the Washington Wizards at my parents’ house in an “Emirates NBA Cup” match against the Atlanta Hawks. It was some pretty bad basketball, to be honest - but the extreme youth of the Wizards, especially given LeBron’s recent milestone, caught my eye.

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Emmanuel Clase and Luis Ortiz Were Just a Little Too Obvious About Rigging Pitches


Last Sunday, the U.S. Attorney’s Office for the Eastern District of New York unsealed an indictment against two Cleveland Guardians pitchers, Emmanuel Clase and Luis Ortiz, for rigging pitches.

In the scheme, Clase and Ortiz would intentionally throw pitches, usually for balls, often below certain speed levels, so that “prop bets” on those individual pitches would pay off for their co-conspirators, who would then kick back a slice of the winnings.

We first became aware of something going on when the two players were originally suspended in June, but I wanted to look a little deeper into the story now because it is just that crazy! And the specifics within the indictment are very helpful for confirming what was going on.

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How are Airlines Complying With the FAA's Flight Reduction Mandate During the Government Shutdown?


This Thursday, November 6th, the Federal Aviation Administration (FAA) announced it would take steps to immediately reduce flights at 40 critical US airports by up to 10 percent in hopes of reducing strain on air traffic controllers, who continue to work without pay during the ongoing government shutdown.

I don’t really want to get into the politics of this decision… what I do want to get into is how airlines are choosing to respond to this order. As someone set to fly from LA to DC in the coming weeks, I feel like I have a vested interest!

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Revising Lufthansa Group's Misleading Investor Day Chart


Earlier this month I read through the presentation Lufthansa leadership shared with the media and their investors on Lufthansa Group (LHG) Capital Markets Day, on September 29th, 2025.

In the presentation, they lay out their plan to deliver an EBIT margin target of 8-10% by 2028 to 2030, double the 4% they returned in 2024.

One of the key drivers of their plan is “Local brand strength & hub leadership”, which they assert by claiming to be the “leading operator in Europe’s most affluent markets”, and through “hold[ing] stronger positions in most of their home markets than peers”, as the presentation slide (#35) below highlights.

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Measuring the Impact of President Trump's Law Enforcement Surge in Washington, DC Through Capital Bikeshare Data


On August 11th, President Trump mobilized the National Guard to patrol the District of Columbia under the guise of restoring public safety.

Around the same time, Immigration and Customs Enforcement (ICE) meaningfully ramped up enforcement, with roughly 1,200 arrests in the most of mid-Aug through mid-Sept.

By many accounts, the visible presence off troops and agents and accompanying surge in immigration enforcement had a chilling effect on the city:

“My workers are afraid,” said Luis Reyes, who owns several Washington dining spots. “Some of them quit. If you see the news, they detain people, even with permits. Some of them said they’ll come back when things cool off.”

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Rising Fastball Velocities are Surpressing the Home Run


One of the most unstoppable trends in baseball has been the steady increase in fastball velocity, with relievers and now starters throwing meaningfully harder than they did ten, or even five, years ago.

A Minneapolis Twins fan site (humorously named Twinkie Town) put together some great graphics of this trend - so good that I’ll just re-post them below to illustrate the trend.

One thing to call out is that the trend has continued more or less linearly since 2022 (the latest year in the graphic) - the average fastball velocity for all pitchers in the 2025 season was 94.5 mph.

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What Launch Angle Revolution? The Washington Nationals in 2025


“Elevate to Celebrate”, an all-time great sports catchphrase, entered the baseball lexicon sometime in 2016 or 2017, giving shape to a trend that had been underway but nameless.

During those years, players like Jose Altuve, Jose Bautista, and Daniel Murphy underwent well-publicized and shockingly successful swing transformations which led them to career best seasons.

The key? Banishing the advice of Little League coaches around the country, imploring batters to “square the ball up”. Instead, these batters focused on pulling their swing path up slightly, imparting an upwards trajectory on the ball.

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What Happened to Traffic Enforcement in Santa Monica?


Earlier today, a friend sent me a link I knew I had to turn into a quick blog post - an article published August 5th in the Santa Monica Next titled “SMPD Stats Show Shocking Drop in Traffic Enforcement”.

The piece shares traffic stop and crash data obtained from the City Manager’s office. It shows a large, sustained decline in the number of citations written by the Santa Monica Police Department (SMPD) starting with the onset of the COVID pandemic, and continuing through today.

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Lots of Contact, Little Damage: Diagnosing Keibert Ruiz’s 2025 Struggles using Statcast Data


Keibert Ruiz is one the absolute best players in baseball at putting bat on ball - he’s in the 96th percentile for avoiding whiffs, and the 97th percentile at avoiding strikeouts. He’s also one of the least productive hitters in the game, with a Batting Run Value in the 7th percentile. What on earth is going on?

Keibert Ruiz Statcast Percentiles as of June 19, 2025

The Data

A quick note before we survey the data - I made all of the charts below using MLB’s awesome Statcast data, which continues to expand and now has incredibly rich data on batters’ swings, hit quality, and more. Here’s a Custom Leaderboard that I used to feed the many analyses below, and here is Keibert Ruiz’s individual Statcast page for reference.

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Charting the Start of a New Era in College Sports


Humor me with a quick thought experiment - imagine an industry. A handful workers in this industry are extremely well paid, while vast majority earn almost nothing. Many workers feel they are underappreciated in their current roles, so they frequently hop between employers. There are few ethical standards, so both workers and employers push the boundaries of acceptable behavior in pursuit of money and opportunity.

Surely we’re talking about a difficult power-law industry, right? Maybe Hollywood or Wall Street?

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