[just another ref]

Originally Posted by Adam

I understand that. I'm just saying that in this case, I'm giving some latitude to prevent the player from entering if the coach wants to prevent the T.

Either way, whether he's beckoned or not doesn't really matter here. If I beckon him, and the coach pulls him back before he enters, then my latitude isn't even necessary.

I'm may not be picturing this right. You beckon the sub. He enters. Somebody tells the coach this player is not in the book. I think it's too late at this point to pull him back.