Lorenzo Amoruso admits he's written off Rangers' chances in the Old Firm showdown, but is still hoping for a shock.
The former Rangers captain played in many Old Firm showdowns and the Italian will watch Sunday's clash with interest.
But he isn't confident that his old side can spring a surprise.
Amoruso said: "I'm pessimistic for Sunday, because right now Rangers are not a great team.
"But always in a derby, especially an Old Firm one, anything can happen.
"I hope Rangers can surprise Celtic. In these games you get to see who is worthy of wearing the shirt and who will stand up.
"Also there are many different ways to win a game."
Amoruso - who had a six-year spell at Ibrox from 1997 - admits he's nothing but good memories of the encounter.
He said: "First of all, Rangers are a faith, not a football team.
"In Italy, I played in big games, but I think the only game comparable to the Old Firm atmosphere would be Boca Juniors against River Plate in Argentina.
"I feel lucky to have played in this game and I won so many derbies against Celtic.
"I actually made my Rangers debut in an Old Firm game after being injured for ten months having undergone three operations.
"I should not have played, but Walter Smith saw I was doing well in training and said he wanted to put me on the bench.
"After 20 minutes, our defender got injured and I went on! We won 2-1 and I could not have had a better start.
"The Old Firm game I remember with most pleasure was a League Cup semi-final in 2002. We only won 2-1, but we absolutely thrashed Celtic that day and it was amazing because Bert Konterman scored for us.
"Rangers are in a bad way just now and there are a lot of problems at the club, but I just hope they be restored to the top because they are a great club."
Why are you making commenting on The Herald only available to subscribers?
It should have been a safe space for informed debate, somewhere for readers to discuss issues around the biggest stories of the day, but all too often the below the line comments on most websites have become bogged down by off-topic discussions and abuse.
heraldscotland.com is tackling this problem by allowing only subscribers to comment.
We are doing this to improve the experience for our loyal readers and we believe it will reduce the ability of trolls and troublemakers, who occasionally find their way onto our site, to abuse our journalists and readers. We also hope it will help the comments section fulfil its promise as a part of Scotland's conversation with itself.
We are lucky at The Herald. We are read by an informed, educated readership who can add their knowledge and insights to our stories.
That is invaluable.
We are making the subscriber-only change to support our valued readers, who tell us they don't want the site cluttered up with irrelevant comments, untruths and abuse.
In the past, the journalist’s job was to collect and distribute information to the audience. Technology means that readers can shape a discussion. We look forward to hearing from you on heraldscotland.com
Comments & Moderation
Readers’ comments: You are personally liable for the content of any comments you upload to this website, so please act responsibly. We do not pre-moderate or monitor readers’ comments appearing on our websites, but we do post-moderate in response to complaints we receive or otherwise when a potential problem comes to our attention. You can make a complaint by using the ‘report this post’ link . We may then apply our discretion under the user terms to amend or delete comments.
Post moderation is undertaken full-time 9am-6pm on weekdays, and on a part-time basis outwith those hours.
Read the rules hereComments are closed on this article