A free update will hit the Xbox LIVE Marketplace on October 12th for Pro Evolution Soccer: 2011 with a view to bringing all player rosters up to date and adding all teams that qualified for the UEFA Champions League Group Round to the appropriate game mode.
There's several minor additions that the DLC will bring too:
A number of team kits have also been updated in line with their current use, and four more licensed boots have been incorporated.
The DLC also includes three new wallpapers featuring cover star Lionel Messi in the ‘Extra Content’ folder.
Konami stated that further updates would be released later in the year, Whether this would be paid DLC or further free updates was not discussed.
We've got the full list of Pro Evolution Soccer 2011 achievements - check the list for guides to unlocking them.