They do have an effect and help ensure victories in tight games.

I understand that morale should drop when a team loses because they are sad.

However, why should that affect the teammates who are winning constantly in other competitions. It should affect only the players responsible for the loss as their place in the team is no longer secure.

ALSO I NOTICED THAT MY TEAM HAS STARTED PICKING UP MORE INJURIES AND YELLOW CARDS EVEN THOUGH I NEVER USE HARD TACKLING