Man Utd news: Ander Herrera breaks silence over Manchester derby non-penalty
With Manchester United 2-1 down and chasing the game, Herrera went down in the box after a challenge from Otamendi.
But instead of giving United a penalty, Oliver blew his whistle, awarded a free-kick to City and booked Herrera for simulation.
After the match, United boss Jose Mourinho fumed at the decision claiming Oliver made the wrong call and Herrera has backed his manager saying he was fouled and should have been awarded a penalty.
He told ESPN: ”I think the penalty is amazing.