Ideas for future updates

U-17, U-19 and U-23 teams.

National teams under-17, under-19, under-23.

Greater probability of a player starting his career in his own country,for example, a player of Portuguese nationality is more likely to start at a Portuguese club than at another club outside Portugal.

Before the end of each season, show the candidates and winners for the Ballon d'Or, Golden Boot, best young player and best coach

If you have any more ideas, write them in the comments.