SPECULATOR: In-season pitch mix changes

Earlier this year, we looked at early Change Score risers to help identify which pitchers have changed their pitch mix the most from 2022 through early May of 2023. With two months of fresh data since that post, it's time for an update to see who has switched things up during the season, and whether it's working.

As a quick refresher, Change Score is the total difference in pitch usage across a pitcher's entire arsenal. For example, if a pitcher starts throwing a new sinker 30% of the time and throws his four-seamer 30% less to make room for it, his Change Score is 30 + 30 = 60.

An important caveat: a pitch mix change isn't always a good thing! You'll see examples of this below (red = bad in the chart), but just because someone changes...


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

Adley Rutschman has a perfect "AAa" QBaB score early on.
Apr 10 2024 3:05am
Baseball is back, so let's play a little loose with some speculations from the weekend
Apr 3 2024 3:05am
Our annual Opening Day Eve exercise looks at possible HR, SB, BA, ERA, and K leaders outside the Top 200.
Mar 27 2024 3:10am
If history is any indication, they'll come from all stages of the draft.
Mar 20 2024 3:06am
The Angels are off and running; plus a number of player-specific observations so far this spring.
Mar 13 2024 3:10am