Instructions
Select the "Features" option located on the game's main menu. Choose the "2K Share" option located on the right side of the screen. Then select the "Download" option located at the top of the final menu screen.
Scroll through the available draft classes to determine which class you want to download into your "Association Mode." Look at the ratings and number of times downloaded each class has, to determine which of the user-created draft classes to select. Press the "X" button, once you have selected a class file to download.
Select the "Game Modes" option in the main 2K game menu, and choose "The Association" tab in the next menu. Decide which team you want to control in "Association Mode," and begin your season. Press the "Yes" icon when asked if you want to import a draft class, and select the draft class you downloaded to your hard drive.