Just too give you some help.
Team work for a GK is how good is communication is with his teammates, especially when he leaves his goal at corners and crosses. It`s about communication and concerted.
mentality represents how often a GK leave his goal (in conjunction with aggression) and how self confident he is, when he leaves his goal.
Don't bother just to be better than your contemporaries or predecessors. Try to be better than yourself