A number of the club's 25 most expensive signings have been made in the past couple of years. Several deals are now undisclosed fees but here is what TransferMarkt believes the Seagulls' paid for their most expensive incomings.
1. Alireza Jahanbakhsh - 17.10m
2. Jurgen Locadia - 15.30m
3. Yves Bissouma - 15.21m
4. Jose Izquierdo - 13.50m