> I wonder if they considered having a couple of big lights in center field for the ump to get this info visually. Another thing to consider is that the ump al

> I wonder if they considered having a couple of big lights in center field for the ump to get this info visually. Another thing to consider is that the ump also has other responsibilities than just ball/strike. Keeping it audio only allows the ump to focus on check swings, catcher interference, and anything else that requires his eyesight. > Also, are there any deaf umps? Will MLB need the ability to make accommodations if so? Since they developed an iOS app, they could feasibly develop a watchOS app as well, and relay the call via vibrations on the wrist