The German winger is expected to leave Dortmund in the not too distant future after rejecting the chance to extend his current contract.
A clause in the deal he has with BVB means that a £20m release clause will kick in next summer, which has alerted a host of Europe’s top clubs.
And with the player set to receive multiple offers when the season ends, talk of a January bidding war has begun with the likes of Liverpool and United keen to avoid widespread competition.
And now City are also in the mix, with Manuel Pellegrini a fan of the versatile attacker.
Reus is currently one of European football’s most highly-rated talents, and has been a key member of Dortmund’s team through their recent successes – including their 2013 Champions League Final appearance.