One particularly galling thing is that, according not just to the refs' interpretation of the laws but also subsequent analysis of that interpretation, Joey Barton stamping on Beram Kayal is not even a yellow card, but Dale Stephens getting to the ball first and having his studs kicked by...
As outrageous as it is predictable. They were never going to show up one of their 'best' refs, nor allow the suggestion that the outcome of such a pivotal fixture, with so much riding on it, could be affected by reffing decisions. Utterly apalling but there was only ever going to be this outcome.