"The board will convene on Sunday to discuss all the names available to us and hopefully we can draw up a short-list of three definite targets," said Ridsdale.

"We have to do this sensibly and constructively, but what I am certain of is that we must appoint a manager who can build on the club's recent success and take us to that next level.

"We need to find a manager who we believe will lead the team to some silverware and more Champions League football.

"I haven't approached anybody. At the moment we have a short-list which has been added to because a number of people have let it be known they would like to be considered.

"I've been pleasantly surprised by the interest expressed by some quality managers."

However, O'Leary poured cold water on reports of a short-list, claiming a new man had already been lined up to replace him.

Celtic boss O'Neill is sure to be high on Ridsdale's wish-list as he was a top target for Leeds four years ago when they were looking for someone to replace George Graham.

The former Northern Ireland midfielder stayed at Leicester, but he could be swayed on this occasion amid reports that his family have not settled in Scotland.

Guus Hiddink: The Dutchman is looking for another job after taking South Korea to the semi-finals, but has also been linked with a return to PSV Eindhoven.

Gordon Strachan: The former Leeds midfielder would be popular with fans but Ridsdale may feel he lacks experience at the top level.

Alan Curbishley: The Charlton manager thrives on a limited budget and has made it clear he would like to manage at a higher level one day.

George Burley: The Scot impressed by taking Ipswich into the Premiership and winning a Uefa Cup place and could be given a quick return to the top level.