Manchester City coach Mikel Arteta spilt blood for the cause in the fiery derby triumph at Manchester United.
The Sun reports Arteta was reportedly left with “blood pouring down his face" after the extraordinary bust-up in the Old Trafford tunnel.
And Manchester United striker Romelu Lukaku was said to have been “prominently involved" in the 20-man melee which saw punches thrown.
Jose Mourinho was allegedly hit on the head with water and milk as tensions boiled over following City's 2-1 derby win.
The Etihad side later downplayed these reports but respected journalist Daniel Taylor claimed witnesses said former Arsenal ace Arteta was left bloodied from the shameful encounter.