When your FIFA 10 loads, at the home screen go to team management then transfers.

Go to Free Agent, in the search box type in these quality players: Rooney; Messi; Ibrahimovic; Torres; Casillas; Terry; Vidic; Dani Alves; Ribery; Diego; Robinho; Ronaldinho; Julio Cesar; Xavi; Iniesta; Essien; Drogba.

Then select these players and select them onto Free Agent, then on Manager Mode go Real Madrid and then transfers and then transfer market.

Then go to Free Agent and so choose the players you want to have in your team. P

PS: only goes u pto certain limit of wages, but also squad size, so sell players to pay it off!