With Shaqiri gone and Kovacic pretty much a Real Madrid player (barring some last minute miracle), this team suffers from a disturbing lack of creativity, especially in the midfield. There's Hernanes and that's pretty much it. Mancini tried using Brozovic in the trequartista role for the Athens friendly and it was not fun to watch. You know what else isn't fun to watch? Birds fearing for their lives because Guarin is trying to be attack-minded. So even with the ongoing pursuit of a winger, somebody else to open up defenses and provide that killer pass is needed.
Due to this dilemma, Mancini is considering going back to his old stomping ground in order to find such a player. Samir Nasri has recently been linked as the player to come in and replace Kovacic in the creative role. The French international is likely to see his playing time at Manchester City limited with the arrival of Sterling (and potentially reduced even further if De Bruyne joins) so he could be interested in moving to a club that would allow him more opportunities.
Nasri can play on the wings or as an attacking midfielder. Despite having indisputable talent, one of the biggest criticisms leveled at him so far during his career has been inconsistency. In 24 Premier League matches last season he managed just 2 goals and 6 assists. If he does come to Inter fans would have to hope that reuniting with the manager that brought him to City would help him play at a high level consistently in Italy.
A deal for the 28 year old would likely be similar to the one that brought Jovetic to Inter, a loan with a purchasing clause included. There hasn't been much word as to how interested City are in selling him, so only time will tell if anything comes of this transfer rumor.
Update: Nasri's agent has said that there is nothing concrete yet with Inter. So there probably have been no official moves made yet but there still might be interest on Inter's part in making something happen.