defer call

[brandda]

The problem is that safe/out is a judgement call and therefore not an appealable play. Your partner can come to you to get help with his own call, but the coach cannot ask you to rule on his judgement call.

So, first, you need to tell the coach that he needs to go first to the ump who made the call and if that ump asks you for help, then you can give it. Then, when your partner comes to you you ask, "What did you see?". If he says, "I did not see it, I guessed", then the two of you need to agree that his call was either correct or not and make the ruling.