How about this for a mercato:
IN: Alves (0m), Benatia (loan), Pjanic (32m), Kante (25m), Pjaca (22m), Cavani (40m?), Lemina buy out (9.5m) = 128.5m
OUT: Caceres (0m), Cuadrado (0m), Padoin (0.6m), Pereyra (14m), Hernanes (6m), Asamoah (8m), Morata (30m), Zaza (20m) = 78.6m
NET: ~50m
Hard to know about the wages impact (as I would not have all the data).
Squad:
GKs: Buffon, Neto, Mirante
DEF: ALVES, Lichsteiner, Barzagli, Bonucci, Chiellini, Rugani, BENATIA, Evra, Sandro
MID: Khedira, Marchisio, Pogba, PJANIC, KANTE, Lemina, Sturaro, MANDRAGORA
FWD: Dybala, PJACA, CAVANI, Mandzukic
352: Buffon, Barzagli, Bonucci, Chiellini, ALVES, PJANIC, Marchisio, Pogba, Dybala, CAVANI
4312: Buffon, ALVES, Bonucci, Chiellini, Evra, Khedira, Marchisio, Pogba, PJANIC, Dybala, CAVANI
433/4321: Buffon, ALVES, Bonucci, Chiellini, Evra, PJANIC, Marchisio, Pogba, Dybala, CAVANI, PJACA