One thing I will add on the Gregorius pitch was that Castro was set up mid-to high outside and the pitch came in low and to the inside. So Castro had to move his glove down and to the right. Definitely was a strike according to their strike box but from the Umps live viewpoint you can see why it looked low. If Castro's glove was set where it was pitched it probably would have been a strike. This can be used as an argument to automate the strike zone to remove that human misperception. It also shows how off Santana's control was as he was missing Castro's targets in the first inning.