Go to create player and then enter your name. When you come to attributes as well as supporting attributes make them all 99. Then your player will be THE BEST. You can make your whole club like this and be the best club in the whole game.

In Manager mode buy a player as a free agent whose overall is between 80 & 100. THen place him on the transfer list till the end of transfer period Then sell him for a huge Price Good way to get a lot of money huh

When transfer period starts go to transfer market and click search. Where you see 'Available for transfer'make it Free Agent. Make the minimum overall 70 and max. 100 You will get a few players. Put the highest salary and they will obviously come to yor club. Immediately put them on the transfer market and till the last match of that transfer period put it Ask For More. At the end you will get a High Price for it And get a Lot of MONEY.

In the game menu , choose edit player, choose your favour player(e.g.Maldini) ,go to date of birth , make it 1986. Then play your career with amazing 20 years-old Maldini !!!!