Which version you want to download?
NBA Appdata Files
Updated August 6th, 2017 Contains the Roster and Sliders files for the newest update.
Note: Main directory files Follow up for v9.3 is in post here
NBA Main Directory Files
Updated July 21st, 2017 (Main Directory Files 27 - Re-uploaded) Contains the necessary Court, Cyberface, and Jersey files.
Previous Roster Versions