lulic (quags+cash)
pereyra (give away isla half)
sanchez
cerci (giovinco+cash)
immobile back
a new leftback
if that is not possible financially I could see us selling one of ogbonna/bonucci and buying a cheaper backup CB. we could also buy just cerci's half but I don't know if torino would want to do that.
Barcelona have been playing Macherano as a CB, so it wouldn't surprise me to see them playing Cuadrado there. If they will be interested in Vidal it probably has to do with them trying to strengthen their CB department.
those (if we fully own them), along with Murru, whom well hopefully sign, should all go (half ) to Udinese to get us Scuffet (half), B. Fernandes (half), Pereyra and Cuadrado (half). maybe include even Isla in the Cuadrado half if they would ask too much money
to be honest buying cuadrado would make kind of sense because most of the time barcelona play with their fullbacks pushed super wide like in a 343 with busquet in defence.