This was the year of the "undrafted" storyline, featuring real NBA players (including a famously awkward voice-acting cameo by Pharrell Williams and various NBA stars).
Ensure you aren't missing part3.rar or part1.rar . NBA.2K15.part2.rar
Every part must have the exact same name (except for the part number). This was the year of the "undrafted" storyline,
If you have Part 2, remember: You need the entire set (Part 1, Part 2, Part 3, etc.) in the same folder. Once you right-click "Part 1" and select "Extract Here" via WinRAR or 7-Zip, the software automatically pulls the data from Part 2 and the rest to rebuild the full game. Why NBA 2K15 Still Holds Up NBA.2K15.part2.rar