Well let's just say that the TPE from my current C mentions 55 inside skills and he has more than 10 over that level. That said, it's likely that someone approached 70.
Turbato had at least 68:
Potential:
all-time great
Jump Shot: sensational Jump Range: average
Outside Def.: awful Handling: pitiful
Driving: awful Passing: pitiful
Inside Shot: legendary Inside Def.: phenomenal
Rebounding: legendary Shot Blocking: prominent
Stamina: proficient Free Throw: respectable