true dat"The work he has done in the 15 years he has been at the club is the best in Arsenal's history," said Ferguson.
"Yes, he has not won a trophy for six years but what does that mean? The quality of his side has not been reduced. He still has great quality in his teams.
"The competition is far greater now. When Arsenal and ourselves were going head-to-head, that went on for about eight years.
"It (the criticism) is a bit unfair of course. But who understands fairness and unfairness today. It is quite a cynical world. Supporters are far less easy to please than they were 20 years ago. It is disappointing.
"I would like to know who is going to replace him."