The case for the prosecution is gathering momentum while the defense's Groundhog Day excuses lose credibility with each poor result.
Had anyone suggested last August that Manchester United and Arsenal would miss out on a top-four finish with David Moyes and Arsene Wenger leaving their respective positions, they would have been ridiculed.
Now, particularly with United and Moyes, he has been found guilty by a majority verdict of being a failure who is out of his depth at Old Trafford.