You made the claim that he doesn't know the plays.

I said we don't know what was going on, the play called, or if he knows the play or not. That was all true. You were making an assumption a fact. Wrong.

Furthermore, you still don't know why he was yelling to him. Was he yelling to him because he actually needed to get on the line, or because someone else had screwed up.

Again, my point is that you're making a lot of assumptions when we have little to no information.