Mustafi was ****ing diabolical on that first goal. Chambers got done in exactly

[Sir C]

Sorry, sc. That is never, ever a foul.

What it was, was worse than school-boy defending.

A push in the back isn't a foul? Is this some sort of collective delusion? I don't understand the reasoning here. If you push an opponent in the back, it's a foul. Where is the ambiguity here?