Just had a summer where there were EURO Championship, Copa America, followerd immediately by Olympics, so almost half my squad actually missed the entire pre-season. I've noticed that those that didn't go through 5 weeks worth of hell in the pre-season are "broken" in the sense that their fitness levels drop drastically in each match, and takes longer to recover. First of all, is this a coincidence, or is there an actual relationship between missing pre-season and fitness level throughout the season. I was hoping that since they were getting like almost 10 extra games during the summer tournaments, that would sort of act as their pre-season.
If missing all that physical training during the pre-season has a season-long effect on these players, is there anything I can do to fix them? I gave each of them an extra week of holiday after they returned from international duty but that didn't seem to do anything. I can't find any option to individually place them in pre-season training regime either.