The Dundee United star is looking likely to be leaving Tannadice this summer.
Pierre van Hooijdonk, who is himself a former Celtic player, has been quoted by The Scotsman as saying:
“I know that there’s been an accepted offer from Wigan but Nadir has said no to that offer.
“Celtic have been in touch with two bids but those have been rejected by Dundee United and that is the status at the moment.
“He is flattered by Celtic’s interest but that is quite normal when you realise the size of the club. Anyone would be interested.
“Our relationship with Dundee United is a very good one and we want to keep it that way. We will just wait and see what happens over the next few days and weeks.”
A couple of days ago it was reported by the BBC that Celtic had a £900,000 bid for Ciftci rejected by their Scottish rivals. Middlesbrough are also keen on the player and Wigan Athletic recently had a bid accepted, but Ciftci rejected the deal.
The striker, who scored 16 goals for the club last season, certainly seems to be a wanted man, but according to the comments of Van Hooijdonk it looks like Celtic is his preferred destination.
Why do Celtic have the upper hand?
The fact remains that Celtic are a bigger club than Wigan and Boro, despite the lure of English football.
They can also offer him Champions League football and almost guaranteed silverware, so Celtic have a major advantage in negotiations.
Add to that the presence of former Dundee United team-mates Gary Mackay-Steven and Stuart Armstrong and Celtic are the number one contenders to sign him without doubt.