Check out their possible lineup so far before there is another signing for a while.
Source: Transfermarkt ig
Real Madrid are better than Barcelona in their strategies for years since failure of Galaticos 1.0 and
Perez learned many things from it, to build up better strategies for Real Madrid recent years.
They got good success in La Liga, Champions League, and avoid bad transfers like Barcelona so that they don't fall to financial crisis and on verge of collapse like Barcelona. Depth of the squad in the graphics is an example for good strategy from Perez and Real Madrid.