Tensions are high in the relegation six-pointer between Norwich and Sunderland at Carrow Road, as evidenced by the finest managerial spat with an Irish footballer since Alan 'Pards' Pardew headbutted David Meyler.
It all kicked off after three minutes, when Robbie Brady tangled with DeAndre Yedlin:
It was a clash which ended with Yedlin faceplanting into the advertising hoardings:
The incident stoked the ire of Sam Allardyce on the bench, combining both a furious appeal along with a bewildered and accusatory glare. Allardyce was anything but pedestrian against Norwich.
Then, Cameron Jerome went and got involved. Big Sam had very little time for him:
It was genuinely quite impressive how quickly Jerome disappeared from view:
John O'Shea then stepped into to keep peace, with Big Sam's considerable weight thrown:
Eventually the scrap dissipated, leaving a resolute Big Sam standing tall and aloof, knowing it was an intervention that went well. There is a truly withering level of contempt for Norwich in that expression.
Nobody puts Big Sam in the corner.