Leeds, England and the former champion had played in the semi-final Champions League has experienced sharp fall but is now ranked Division Three top league of England.
"They'll be competing to the Premier League in the next few years.
"Seeing their position in the league at the moment, they almost certainly will take action in the league Division Two next season," said Ferguson.
In the third round FA Cup action this evening, Leeds will be going to Old Traf-ford to meet United for the first time since 2004.
Action is viewed best opportunity to evaluate their ability when facing the defending champion of England Premier League is.
"I like competition. It makes us better. We had to face fierce competition to meet Leeds. The atmosphere is really great but the meeting over to our favor.
"Just give me always-know player to ensure they remain positively on the field because we do not want to add problems.
"Leeds will bring supporters 9.000. It is sure to spark an attractive environment and the FA Cup clash to be great," said Ferguson