Ahead in the count

 Which pitchers have the most to lose if they drop a few ticks?

Here I show how relief pitchers get significantly worse results when hitters see them on multiple occasions in a short time period.

How did the baseball change in 2021? 

  I've made an app allowing anyone to see what my models think of any hypothetical pitch.

This is a post to describe various updates to my pitch quality models.

I was browsing Twitter a while ago and came across a couple of tweets which discussed the unquantifiability of catcher game-calling and I took that as a challenge. 

Justin Topa has an ERA of 27.00 so far this year, he's also barely thrown a bad pitch. In this article I'll take a look at some conflicting interpretations of the 43 pitches he has thrown for the Brewers in 2021.