The Pirates sent an intriguing group of prospects to Arizona, but which performances actually mean something?

FanGraphs prospect analyst Eric Longenhagen joined DiNardo from Camelback Ranch to explain what he has seen from Wyatt Sanford, Easton Carmichael, Jhonny Severino, Michael Walsh and Zander Mueth. He also breaks down Pittsburgh’s Derek Curiel selection and identifies one under-the-radar arm worth remembering.

Watch the full conversation to see which Pirates prospects are beginning to change Longenhagen’s evaluation.