These are the steps to post the rosters on sendspace.com:
->Have the rosters saved in your ps3.
->Go to the PS3 Saved Data Utility.
->Browse to the right savegame (NBA2K12 ROSTERS) and press triangle.
->Select Copy in the newly opened sidebar.
You’ll be prompted for the destination. Save the rosters to a USB memory stick.
->Zip the PS3 folder in the usb flash drive. Once zipped it should be 2-3 mb. ->Upload it to sendspace.com or directmirror.com/.
Then tell us the link to get them.