Originally Posted by
hod
I read a guide and that's what the guy (PricopGeorgeCătălin) said and I have a feeling it is the answer i was looking for:
"Training is something what you should not abuse, also don't train your players if they are low then 75% fitness, is very important when you start a game like your players to have a very good percent of fitness. Don't train main players during the season if is not necessary, but you can train substitutions every day without problems, of course you risk to get injured players."