PES 2013 has a robust edit mode. To permanently fix your game:
If you boot up a vanilla (unpatched) copy of PES 2013 today, you will still see "J. Cruyff" and "F. Beckenbauer" (who kept his real last name, oddly) but you will also see "B. Orlow" (Gerd Müller) and wonder who that random German striker is. The "real names" were always there—you just needed the community's key to decode them. pes 2013 classic players real names
The unlockable players section features legends like (Hierro), Wiego (Weah), Hanue (Hagi), Netret (Nedved), Benuki (Best), and Pursel (Puskas). Classic National Teams (Starting XI Highlights) PES 2013 has a robust edit mode