A late goal by United denied the Black Cats a win at Old Trafford and instead made it a 2-2 draw.
“It is totally disappointing,” said Bruce. “I don’t know what the stat is for the number of times Manchester United have done that but it is what makes this club what it is I suppose.
“It just proves you have to go down to the wire.
“Even when they don’t play well, they always seem to get something out of it. And the Ayatollah himself just sits there and watches.
“That is what he has brought to the club. They never give in.”
