DL- Coentrao, Ruben Barbosa, Maxwell, Jose Angel, Murri, Kolarov
DR- Sime Vrsaljko, Arbeloa, Abate, Glen Johnson(if free), Cedric Soares, Dani Alves(if free), Flannagan, Van der Wiel
DM- Lucas Romero, Gaston Gil Romero, Bruno, Gabi, Inler, Sami Khedira(if free), Benat(excellent player with great stats, is available for cheap after a season), Sergi Samper or Sergi Roberto on loan, Kristoffer Ajer for future, Classie...
AMR- Pione Sisto, Sotiris Ninis, Padoin, Miralem Sulejmani, Adama Traore on loan, Junior Hoilett, Sebastian Larsson(set piece specialist),Douglas Costa, Mayke..
you could pick these players on transfer fee spread over 48 months..
good luck..
check our players with contracts ending in 6 months and see if you could grab some for free..