Because these are unofficial mods, they are primarily hosted on community platforms rather than official EA sites:
Some mods port features like "Agile Dribbling" or "Creative Runs" into older engines to simulate the feel of newer games.
Inclusion of new leagues or competitions that were not present in the original game's launch. Common Sources & Download Types
New team kits (including AS Roma and Juventus), updated player faces (Starheads), and current team logos.