The most effective way to gain "Skill Points" (attribute upgrades) offline is by exploiting the practice facility. This is the only legitimate way to unlock the attribute buckets required to reach a 99 overall.
Many "glitches" found online suggest using third-party software to edit your offline save file. While this can give you "99 everything" instantly, it carries risks: nba 2k17 my career skill points glitch -offline-
Use the D-pad to take control of Justice Young. The most effective way to gain "Skill Points"
If you own a physical disc copy of NBA 2K17, the most powerful "glitch" is simply to uninstall the game, disconnect your internet, and reinstall it. This prevents the patches from loading. In Version 1.00, the "Doin' Work" meter filled significantly faster, and several menu exploits allowed users to double-dip on their rewards after a game. While this can give you "99 everything" instantly,
With that info, I can give you the specific and best animations for your build.