According to reports in Italy, Inter president Erick Thohir is looking to rebuild the side and wants to sell Guarin for £14m in order to fund the overhaul.
Tuttosport indicate that the Colombian midfielder is a backup option to Arturo Vidal while Atletico Madrid and Tottenham are also in the chase to sign the Inter man.
United boss Louis van Gaal and Tottenham's new man in charge Mauricio Pochettino are both looking to add to their midfield, although Spurs are likely to lead the chase due to the Red Devils' continued pursuit of Vidal.
Serie A champions Juventus are also interested in Guarin after failing to land him during the January transfer window while Rubin Kazan, Dynamo Moscow and Wolfsburg have also been credited with an interest.
Further reports from Italy suggest that the 28-year-old is likely to be cut from the club's squad list for the Europa League play-off tie against tournament debutants Stjarnan.
The Nerazzurri are weighing up the move in order to activate a bidding war between the plethora of clubs interested in signing the former Porto man.
Brian: Actually quite funny you guys think I still use this forum. I've been laughing my ass off at the fact you've been trolling the wrong forum.
Jan 17, 2015 14:32:07 GMT -5