STARTERS: Fastball velocity and Dominance rate
May 12 2013
It seems intuitive that an increase in fastball velocity would lead to more strikeouts when it comes to starting pitchers.
In fact, we cite fastball velocity increases as a good thing without thinking twice about it.
Conversely, a decline in fastball velocity commonly is used as a reason for concern.
Before accepting these conclusions as truths, let's analyze the historical link between fastball velocity and Dominance (K/9) rate.
Here is a scatter plot showing the relationship between those two variables over the past four seasons among starting pitchers (min 40 IP).
- There is a positive correlation between fastball velocity and Dom, but it's not as strong as you might think. Its correlation coefficient of r = 0.41 suggests a...
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 Starting Pitchers
Hunter Greene's excellent start to the season has come with full support from his command building blocks.
Apr 26 2025 3:09am
Apr 26 2025 3:09am
Merrill Kelly's rough early results are driven by a shaky skill base that's not showing any signs of life.
Apr 19 2025 3:07am
Apr 19 2025 3:07am
Justin Verlander's poor early stats seemingly validate his worrisome 2025 outlook, but his electric command sub-indicators point to a buying opportunity.
Apr 12 2025 3:07am
Apr 12 2025 3:07am
Logan Gilbert has been the game's best starter over the season's first week, and it has not been close.
Apr 5 2025 3:30am
Apr 5 2025 3:30am
David Festa's intriguing second half skills last season and big spring this year make him an ideal sixth starter stash.
Mar 29 2025 3:09am
Mar 29 2025 3:09am
