June 17, 2021

Pitch Types and Offensive Under-Performance (Viva El Birdos)


A few weeks ago, I posted an article that dug deep into the offensives struggles Harrison Bader experienced in 2019. Bader saw his 3.6 WAR dip in half and his 107 wRC+ plummet to a paltry 81. If you missed that article, you can dig it out of Bader’s “virtual trashcan” and give it a read because the research included there inspired what I am presenting today.

Harrison Bader was not the only bat in the Cardinals lineup who struggled lastyear. Almost the entire lineup, with the exception of Kolten Wong, finished at or below expectations, a fact that Mozeliak himself opined at the recent offseason media day.

If the offense performed below expectations in 2019, there are three questions that must be asked: why did that happen, who is to blame, and what can be done about it?

When considering why a player or a team produced at a certain level at the plate, offensive stats are an essential part of the equation. A low BABIP can help explain why a player’s batting average dipped unexpectedly. Line drive % explains why a player’s BABIP was low. wOBA can take all of the offensive events from a batter and assign a weighted value to them. WAR contextualizes batting stats with…

Read “Pitch Types and Offensive Under-Performance” at Viva El Birdos