The defender appeared to stamp on Chelsea star Eden Hazard as the Red Devils bowed out of the competition in a 1-0 defeat to the Premier League leaders.
United have since been slapped with a charge for failing to control their players in the aftermath of Ander Herrera’s dismissal for picking up two yellow cards at Stamford Bridge.
However, Rojo was not hit with a punishment, leading to several people taking to Twitter to blast the FA’s decision.
One of them was Bournemouth’s Tyrone Mings, who was recently handed a five-game ban for stamping on Zlatan Ibrahimovic’s head during a Premier League game between the two at the start of March.
And several other Twitter users felt the need to follow in Mings’ footsteps, though with slightly more characters!
