4. Ilkay Gundogan - Linked to: Man United, Real Madrid, Barcelona

It's gone a little quiet on the Ilkay Gundogan front of late – and the Germany international is expected to still be a Borussia Dortmund player at the end of the transfer window.

However, Manchester United, Real Madrid and Barcelona are all keen on the classy midfielder.

And when three clubs of such stature are determined to sign a player – one of them will inevitably end up getting what they want.

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