Pirates manager Derek Shelton worked in Tampa, where the Rays are extremely in advanced numbers-wise. So, what do the Pirates value?
![](https://i0.wp.com/pittsburghspotlightnews.com/wp-content/uploads/2021/05/20210312mfbucssports09-3-1620410809.jpg?fit=1140%2C798&ssl=1)
Pirates manager Derek Shelton worked in Tampa, where the Rays are extremely in advanced numbers-wise. So, what do the Pirates value?