Advice for those who want to start a career with maximum player performance.
During the creation of the player (the field of how the Name, Country, Appearance, Position etc.)
Before proceeding, run Cheat Engine. Choose FIFA (I hope you know how to use it). And open the table downloaded from this page. Select all parameters and change all values to “99” (no quotes). Next, go into the game and immediately click on (while we do not change anything).
Hooray! You are one of the best. =)