Ok, thanks for the reply. The two matches I noticed something strange were the association matches. My team won by large scores in both but I could not improve where there seems to be problems as the adjustments I made had no expected feedback or effect as such. Also, there were a lot of yellow cards - something that is expected to be an indication of something wrong and I made changes to improve the situation but the effects only looked like visual rather than being taken in account by the match simulation engine.