Here is an extensive library of historic team downloads for ESPN NFL 2K5. These are complete historic rosters. Once you download these to your home computer you will need a copy of Action Replay to transfer them to your XBox hard drive.
These rosters provided by the excellent website www.nfl2k5rosters.com
Click here to order Action Replay
Complete Historic Rosters for 86 Great Past NFL Teams
Historic Teams Franchise Roster 1
Historic Teams Franchise Roster 2
Historic Teams Franchise Roster 3
Historic Teams Franchise Roster 1956-1980
Historic Teams Franchise Roster 1980-2007