yes.
If you know how to train properly, your trainer isn't a grade school gym teacher, and he isn't a foot to tall or short for his position.
However, i've read that these game rating aren't accurate representations.
I could be wrong however.
But training an 18 year old VS. 19 is far more worth it in the long run.
But you must have already known most of this stuff.
Maybe someone else will find it useful.