edit players in a saved game using steam

is it possible to edit players in a saved game using steam?
for example I am 3 seasons in to a game can I edit players attributes within the saved game?

When already in the game you can edit the players attribute by using program called FMRTE.

why would u wanna edit attributes anyway

#40072 toonman8589 : why would u wanna edit attributes anyway

I dont but a friend of mine has been and when I pressed him on it he said that it is not possible so I want to try it so that when I pull him up on it I will no what I am talking about