Any club hoping to lure a big name away from Newcastle during the remaining days of the summer transfer window would have to make an astronomical offer to succeed.
Press Association Sport understands only bids they simply could not ignore would prompt the Magpies even to consider parting with the likes of skipper Fabricio Coloccini or midfielders Cheick Tiote and Yohan Cabaye.
Coloccini has been linked with Barclays Premier League champions Manchester City in recent days, while both Tiote and Cabaye have been touted as targets for Arsenal ahead of Friday's deadline.
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