If that isn't fixed, then that is one of the dumbest things I've ever heard...According to Smoove it's impossible to upgrade your free throw and stamina, among other things, permanently. You have to go to a TEAM practice, the extra ones don't count, and hope you get +1 to whatever category you want but it either doesn't show up in your ratings or goes away after a game or two.
Classic 2K with the one step forward and the two steps back.