Official Konami PES 2012 Ball List
Classic
Plain
WE-PES 2002
WE-PES 2003
WE-PES 2007
WE-PES 2008
WE-PES 2009 claw
WE-PES 2010
WE-PES 2011
WE-PES 2012
Adidas Speedcell
Adidas Predator X-ite
Nike Seitiro
Nike Seitiro Hi-Vis
Puma v1.10
Puma King Ball
Puma Powercat 1.10 Ball
Umbro Neo Pro High Visibility Football
Umbro Neo Pro
The official Champions League, Europa League and Copa Libertadores balls will also remain for their respective gamemodes.
This list has been taken from the current code of PES 2012, so please be aware that this list is subject to change, in time for the retail release of PES 2012.