After that you can buy these players and
Fifacoins just market something more expensive again. It is difficult to say which players you can best use for this, because this can change constantly.
It is best to choose players that not everyone in focus, but some may cause. Pay attention to the statistics, for example, a good defense. Always compare good prices, so you can buy the cheapest deals.
If you're lucky you can find players in the market that are offered far too cheap and here you can benefit greatly from. The trading of players can more easily through the web app, because you start on your game otherwise not have.
http://www.imfifa.co