It was a long and complicated negotiation process, but one that Walter Sabatini can now look back on with satisfaction. The Roma sporting director had been under no illusions as to the difficulty of the task: “The deal to resolve the player’s co-ownership will be complex, but we’re honored to have the chance to do it because he’s an excellent footballer.” The player in question is, of course, Radja Nainggolan, the 27-year-old midfielder who was undoubtedly one of the best performers of Rudi Garcia’s 2014-15 roster