No way. There is no way you can determine for sure whether there was collusion. There are special people who should track this but.... I am very disappointed in European football now. I began to notice that sometimes players from big clubs don’t seem to try on the field... This shouldn’t be the case. I saw a huge difference in approach when I started betting on football in Congo -
https://1xbet.cg/ There is much less politics and advertising there. It seems to me that this is the secret of fair betting here.