How is it possible to get 10 stars??!!

[Max]

I agree with you that this is a rather absurd task, however, I’d say that since a 9 star player is 160% and one star is worth 20%, I would imagine that a ten star player would have a quality of 180% or above (even though a tenth star is not shown.)

I would reckon that the task requires you to get a player to above 180%.

[Guido van den Berg]

I agree with you that this is a rather absurd task, however, I’d say that since a 9 star player is 160% and one star is worth 20%, I would imagine that a ten star player would have a quality of 180% or above (even though a tenth star is not shown.)

I would reckon that the task requires you to get a player to above 180%.

You are mistaken. Getting a player above 160% by training is sufficient...