Postecoglou believes Celtic can cope with improving Rangers

Celtic manager Ange Postecoglou feels his players' proven adaptability could be a key factor if new Rangers manager Michael Beale unleashes any surprises at Ibrox on Monday.

Postecoglou memorably claimed recently that he was more bothered about what he was having for dinner than the new managerial appointment across the city, but he has done his research on Beale's methods ahead of the New Year derby.

The former Ibrox coach has secured four consecutive wins since his return to take charge and Postecoglou has noted some differences from the approach of Giovanni van Bronckhorst.

On his preparation for the game, the Celtic boss said: "It does change because, as I have always said, we treat every opponent the same way - we look at what they are doing currently rather than historical stuff.

"They have had a change of manager, which has meant Michael has come in and changed the shape slightly, he is trying different personnel. All those types of things are factored into it.

"We try and prepare our players for every possible outcome, but sometimes during games things change or are different, depending on how the game is going.

"For us, at the moment, one of our strengths is our ability to adapt mid-game - whether that's the way we play or by making substitutions where players come on who have different qualities.

"It's a bit of both but our preparations are always the same, regardless of the opponent, it's about what we think they are likely to bring against us in the current circumstances."

Celtic won 4-0 in the previous meeting between the teams but Postecoglou does not need his previous experience of the fixture to tell him that Monday's game is likely to be a tighter affair.

"You kind of know going into it that it's a massive