keep those players, the rest start selling now,
and try to find some 3* players with no contract (free agents veterans)
All your team counts for the next cup draw
try to find 5* veterans , money is a problem in lower levels
(but as I can see greens aren't a problem for you, so you could sell your GK and Fereira, 21 y.o. to get some cash)
better ftry to find double position players (DL-DC, DC-DMC instead of DL, DMC )