Hidden players in the roster

Hi from Spain, and sorry for my bad english.

Today i´m editing my own roster, and I have a problem. I can´t unlock the hidden players with the Roster Editor. How can i unlock this players like Jordan Farmar or Arenas??

THANKS¡¡

http://www.youtube.com/watch?v=NE3ZX5SE ... e=youtu.be
via - viewtopic.php?f=150&t=89054

Thank you very much¡¡ And thanks also for the post¡¡