Tip for you mate, in your shortlists, theres a bit where you can choose 'Active Shortlists'. Turn them all off and then you can keep your players in there but you don't get linked with them all the time and other clubs don't automatically start making bids for them.
Coopz some players.
Youth (need a season or 2 to develop)
Henri Saivet [ST] (Bordeuax) - Can get him for a compensation pay out at the start
Mamadou Sahko [DF](PSG) - Same as above, I played him first season due to injuries and he was great.
Bogdan Stancu [ST](cant remember Romanian team) - scores loads, young and cheap
Lulinha [AM] (Corinthians) - Very low release clause, wont get a work permit but is brilliant after 2 or 3 seasons.
Good Signings
Rafael Van Der Vaart [AM] (HSV) - Pure class loads of goals and assists from midfield. Pretty good signing for Man United.
Matias Fernandez [AM] (Villareal) - See above.
And you need cover for right back realy (just like real life) so Lahm, Alves, Rafinha, Eduardo Ratinho are all good.
Pique is great first off, dont sell him cos you'll get a load of enquiries. Dont settle for less than 40mil for Rio or Vidic (you'll get offers for them too). Saha's pretty useful too despite the fact that in real life his legs are made out of glass and breadsticks.