There had been reports that Ferguson considered Ancelotti as his successor before nominating David Moyes, who endured an ill-fated spell at the helm at Old Trafford, but the former Chelsea boss has rejected those claims.
"When I went there it was supposed to be about creating something. But after one year that had changed and it was just about the next result.
"When we went out in the quarter-finals of the Champions League, they started to complain. I decided it was time to go."
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