The Pirates have been criticized for being stubborn with their old pitching program. Here’s how and why they changed.
![](https://i0.wp.com/pittsburghspotlightnews.com/wp-content/uploads/2021/12/Josh-Hopper-1639228808.jpg?fit=1140%2C797&ssl=1)
The Pirates have been criticized for being stubborn with their old pitching program. Here’s how and why they changed.