SPECULATOR: Change scores, 2023

A core tenet of player evaluation here at BaseballHQ is to ignore the surface-level stats and focus on skills instead. But at this early stage of the season, how do we know which changes in SKILLS might be more likely to stick around all year, and which ones are just variance after a handful of starts?

Tracking pitch-level data (usage, velocity, whiff rates) with Statcast is increasingly becoming a go-to in our quest to jump on breakout seasons, as someone showing a change in skill AND a change in approach has a better chance to stick all season. So this week, we'll revisit Change Score, which is the total change in pitch usage from 2022 to 2023 across a pitcher's entire arsenal.

A quick example of how Change Score works: if Joe Ryan...

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

Our annual exercise of giving out second chances to those who, frankly, stunk up the joint in 2025.
Sep 10 2025 3:11am
Can we extract fantasy value from September auditions? Plus, a quick check on how team schedules shake out over the final month.
Aug 27 2025 3:06am
A mid-summer check on whose skills have improved or faded the most from the beginning of the season.
Aug 20 2025 3:06am
Continuing our look at what we've seen from this year's rookie class with revised, speculative outlooks going forward.
Aug 13 2025 3:09am
Our annual exercise checking in on the MLB returns from this year's rookie class, and speculating on revised outlooks going forward.
Jul 30 2025 3:09am

Tools