April 22, 2021
The 2020 and ’21 seasons have created a unique fantasy baseball environment that has never existed. One of the biggest challenges is evaluating players. It’s been almost 18 months since there have been games across all levels. Players have changed for the good and bad. There is just no way to know how much with everyone hidden at the alternate sites. For hitters, xwOBA and a Barrel% formula can be a solution to spot and verify some breakouts.
With hitters, I find they change at a slower rate. While pitchers can change a pitch’s shape or its usage overnight, hitters can’t immediately change their batting eye or gain 50-home run power. It’s going to be subtle changes that won’t be noticeable for a few weeks. Still, I want to try to be one step ahead of these unknown adjustments by using the best indicators and hope to marry these best estimates from long-range projections.
April 16, 2021
With Statcast replacing their Trackman (radar-based) cameras with the new Hawkeye (optical-based) system in 2020, what we’re now able to see on the field has taken another giant leap forward. What was once inferred is now being observed and those observations have led to ground-breaking work by Barton Smith, Driveline Baseball, and others in fully parsing the forces in play when it comes to pitch movement.
I highly recommend the above readings (and a host of others) for a more in-depth explanation but here are some cliff notes for those new to the concept of seam-shifted wakes:
Every baseball spins in a certain direction, spinning around a certain axis, resulting in a certain movement. The old method of determining spin direction was to use the movement measured by Trackman and work backward to
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February 5, 2021
I’m going to spend about half this article trying to deceive you. I just thought you should know that upfront. Why? Alex Chamberlain wrote a wonderful article about Kyle Hendricks yesterday, and it reminded me of one of my favorite paradoxical findings about pitching. Now, I’m going to use that finding to bamboozle you or at least, that’s the plan.
Hendricks, you see, is spectacular at throwing pitches in the shadow zone, the boundaries of the strike zone and the area just outside of it. That’s an obviously useful skill. When you watch a pitcher painting the corners, it doesn’t just feel like hitters are unlikely to make solid contact, it’s actually true. Batters have worse outcomes on the borderline part of the plate than in any other zone.