Pitch mix changers, 2022 vs. 2023

Regression is our game's most powerful force.

Sage advice and a foundational pillar of our fanalytic toolbox, but the Speculator thrives on bending those rules. As we search for new ways to dissect 2023 returns, we'll use pitch-level data to identify starters who changed their approach by switching up their pitch mix from 2022. The idea is that with a new arsenal, they're a different pitcher than they were before, and more likely to repeat 2023 success than most might think.

We whipped up a "Change Score" metric in this space a few years ago to help quantify a pitcher's overall change in pitch mix. As a quick refresher, Change Score is the total difference in pitch usage across a pitcher's entire arsenal. For example, if someone throws...

Almost!

You’re just a few clicks away from accessing this feature and hundreds more throughout the year that have a singular goal in mind: Winning your league. Subscribe to BaseballHQ.com here!

Already a subscriber? Sign in here

More From Speculator

We follow up on some early (and mid) season speculations to find out what went right, what went wrong, and what actually happened.
Sep 10 2024 3:03am
Our annual exercise of giving out second chances to those who, frankly, stunk up the joint in 2024.
Sep 4 2024 3:04am
Things get weird in September. We look through some fantasy-relevant playing time experiments, with tidbits from the remaining schedule.
Aug 28 2024 3:07am
We play a game of before and after, looking at key skills rising and falling since June.
Aug 21 2024 3:10am
We continue last week's exercise looking at this year's rookie returns, and speculating on revised outlooks.
Aug 14 2024 3:04am

Tools