K% Gains: Trend, Outlier, Or To Be Expected?
Those who have been smart enough to pick up a copy of the 2021 Baseball HQ Forecaster (and likely posted a picture of it to their Twitter) have already read through the “Other Diamonds” portion of the text. It’s my favorite part. In it, there is a section called Paradoxes and Conundrums and it states that a player’s year to year improvements can be labeled as, “a point in a growth trend, an isolated outlier or a complete anomaly…” I loved that line when I read it. But, so much strange happened in 2020 and I think it should have some say. In this post, I’ll go over three pitchers who increased their K% from 2020 to 2021 but whose gains might be skewed by the 2020 season. Two of these pitchers really just rose back up to where they were in 2019. An increase in K% is wonderful but is it a trend, an outlier, or, to incorporate my own twist, to be expected?