Since this is my first topic on Fifa Street, I'd better make it a good one...
Here are some star teams that can be created, using past and present players from certain teams:
Arsenal: Lehmann, Henry, A. Cole, Viera
Manchester United: Barthez (or Howard), C. Ronaldo, Rooney, Beckham
Chelsea: Cech, Makelele, Lampard (or Ballack), Carvalho (or Crespo)
Everton: Howard, Yobo, Cahill, Kilbane
Newcastle United: Given, Carr, Babayaro, O'Brien
Real Madrid: Casillas, Raul (or Cannavaro), Beckham (or Samuel), Helguera (or Roberto Carlos)
Barcelona: Baia, Ronaldinho, Henry, Deco
Valencia: Caņizares, Ayala, Vicente, Baraja
Inter Milan: Julio Cesar, Crespo, Samuel, J. Zanetti
AC Milan: Dida, Kaká, Ronaldo, Cafu (or Nesta)
Juventus: Buffon, Trezeguet, Zambrotta, Cannavaro
Roma: Pellizoli, Totti, Cassano, Perrotta
Bayern Munich: Kahn, Lucio, Ballack, Rau
Feel free to add on, then...
Oops, forget Bayern Munich - they didn't put Kahn in.