The mercato is on its way to start and Gazzetta dello sport are reporting that Fredy Guarin could be sold if a good offer would arrive. According to the Gazzetta Tottenham want Guarin and this could open for Inter to sign Nainggolan:

“Inter haven’t forgot Nainggolan who could be used in many roles on the midfield. If a good offer, around 20 million,  for Guarin would come, the Colombian could leave Inter.”

Source: Fcinternews.it