THE IMPORTANCE OF DATABASE SIZE
You've got the game ready, and are about to start a new save. You set up the leagues you want to play, let's say England, Spain and Italy. So you look down at the databsase selection, set it to large and start your game.
That's fine but what about exploring custom DB possibilities? Hitting the custom button you will be able to see all the additional leagues/nations/continents you can add to your game, increasing the player pool. This is a nice way to increase the players and prospects available to you as a manager.
I've been looking at some websites which list some prospects in World football and used my season and a half long save with Lyon to look at them and see how they'd developed. However, on that save I'd only loaded France on a large database and had trouble finding some the players based outside Europe.
So what about loading a save with a few more leagues loaded and a custom database, adding players from the top divisions of S. America, Asia, Africa and Oceania?
By doing this you will be able to "unlock" even more cheap young players you can buy and develop or older ones to help you win stuff pronto.
My suggestion (depending on what your pc can take):
1. Load 2/3 divisions of the country you plan to manage in.
2. Load 2/3 other top divisions relevant to the team you ll be managing - eg: In a save with Lanus in Argentina, also loading Spain would not be relevant.
3. Use the custom database option to load 'players from top division' of North America, Africa, Asia and Oceania. Also tick 'add players from continental cup teams' or whatever the equivalent option is.
It's really easy, takes a few clicks and vastly increases the amount of prospects you can find in your game at various levels, without putting too much of a strain on your processing speed