The referee was looking through players and struggled to see whether the France defender had nicked the ball first.
Controversy: Manchester United's Patrice Evra brings down Chelsea's Ramires
UEFA are huge supporters of the additional official positioned behind the goal-line and this incident is exactly what he is there for. He had a clear unobstructed view and yet failed to help the referee.
Chelsea 0 Manchester United 1: Rooney the hero for Fergie as Reds claim advantageRooney watch (or how much does he owe the swear box?) Chelsea v Manchester United: Player ratings from the Champions League clashAll the latest Chelsea news, features and opinionAll the latest Manchester United news, features and opinion
Explore more:People: Patrice Evra Places: France