Furthermore, the patched database preserves statistical history. Some patches offer “season-specific” stats (e.g., 2013–14, 2015–16, 2019–20). Playing with a 2013–14 Luis Suárez (31 goals, 49 shots on target in real life) becomes an archaeological experiment—you feel the raw numbers of a historical campaign inside a classic simulation.
Modern patches use "PES Stats Database" (PSD) or "PES Retro Stats" logic, which provides more realistic attribute spreads than the original Konami ratings. pes 2013 stats database patched