Fletcher dragged the ball back inside the box and went to ground, after what looked like a cynical trip, but instead of awarding a penalty the official went to his pocket and booked the Scot for simulation.
"It was unbelievable," Ferguson said. "For what reason would a player six yards out even think about that? I couldn't believe it.
"I watched it again on the camera by the side of the dug-out. It's one of the worst [decisions] I have seen in my lifetime.
Champions League results:
Bayern Munich 0-2 Bordeaux
Maccabi Haifa 0-1 Juventus
Besiktas 0-3 Wolfsburg
Manchester United 3-3 CSKA Moscow
Marseille 6-1 FC Zurich
AC Milan 1-1 Real Madrid
Apoel Nicosia 0-1 FC Porto
"The problem is, you can't appeal a yellow card. In European football it is crucial because, later in the tournament, to miss a really important game because of that is unfair.
"Uefa should look at that. They won't, but they should."
United fought back from 3-1 down to draw 3-3 against their Russian opponents, and thus book a place in the knockout stages of the Champions League.
- Football.co.uk staff
Source: DSG
