Roster Update for NBA 2K13 as of 14th November, 2012 Contains Online Data as well. Do this after you already created a user profile on the games first start not before.

Instructions

1. Go to Your Drive Letter(For ExamlpleC:)Users(YourAccountName)AppDataRoaming2K SportsNBA 2K13 (You Will Have To Show Hidden Folders If You Do Not See the Folder AppData

2. Copy and Replace the Existing Files and Folders.

3. Enjoy, Seed and Give Feedback.