What is the player database size?

[KeepTheShotgun]

I know it makes there more players in the game but how? For example if I chose small database would players like, Messi, Ronaldo etc. be in the game? Also why are some players unsignable and have blacked out names on some teams?​

http://community.sigames.com/editpost.php?p=10628259&do=editpost​