If he got the RED card earlier then it also proves the theory that the game result are decided before the match starts and there is no way available to influence them...
After the game has started and the simulation has been done it does not matters that you play illegal formation because the results have been already decided...
It looks like it was an injury, not a red card.
FC Bristbury
Season 5, Level 5
League Winners Levels: 1, 2, 3 & 4
Champions League Winners Levels 2 & 3 Double X 2 (League and Champions League), Levels: 2 & 3