No,
Consoles are locked content systems by nature and therefore modability can only be achieved by :
- Tools provided by the developpers themselves or
- Modding consoles and playing modified copies of games.
On non-modded consoles, direct edits of saved rosters might be possible on ps3 version. HB may allow direct imports of user-made faces via usb sticks, but I'd surprised.
Every modification on Xbox 360 will have to be made by hand.
Also, playing with modified stats/jerseys/faces online is an absolute no.
Don't expect anything close to the level of modability on the '08 PC version (which by PC modding standards isn't very flexible itself), you won't have new teams or tournaments.