His name was mentioned time and time again as Alonso's replacement towards the end of the Alonso's saga. This confirmation, coming so quickly after Alonso's departure, only confirms how much Rafa was prepared for losing Alonso. Aquilani would be our player is less than one week, subject to a medical since he has not played for a while because of injuries. And at 18M, Rafa might even have the funds remaining from Alonso's deal for one or two players to strengthen our squad.
Now let's hope Aquilani is the right player for us, in a league very much more notorious than the Serie A.