Some saying that if playing vs a weaker team and you watch the game, it's more possible for a troll result or in other words,
if you 're watching your game you don't have any advantage
or if your watching the game, then you 're playing against the AI of the game, which is harder than not watching it.
If nobody of the managers are present, then the game engine taking the factors that affect the result (quality of the teams, formations/orders, morale/condition) and gives a more reasonable result.
(as a friend Shwan Chalabi mentioned in that thread http://forum.topeleven.com/top-eleve...i-can-win.html ).
Let's see :
My alt team, RINOKEROS played two games in the CH.L. against a weaker team.
In the first game, I was watching and I won but hardly.
In the second game, I wasn't there but my team won very easy with a 6-1. Maybe is there something real here ?
Click image for larger version. 

Name:	CH L 2 games.jpg 
Views:	201 
Size:	92.9 KB 
ID:	55085

Click image for larger version. 

Name:	CH L 2 games b.jpg 
Views:	202 
Size:	86.4 KB 
ID:	55086


But in another game I had today, playing vs a much weaker team and wasn't there, I had a draw
I had better q team, players in a good form, full morale and condition, the min. victory bonus, the right formation, ball possession, double shots but the game engine didn't give me the victory.
Click image for larger version. 

Name:	troll 1.jpg 
Views:	202 
Size:	51.9 KB 
ID:	55087


So, I think it's a Myth.
You can have a bad day, odd roll dice, troll/fix result even if you're present or absent.