What does a defenseend do?

Answer 1

It's all pretty simple. The primary objective is protecting his/her team's goal and extends to supporting the offense when they have the ball. The specifrics of how this is done will come from the player's skill set and team tactics.

Answer 2

trying to stop the other team from scoring. They also try to steal the ball or intercept a pass

Answer 3

It is called a " defencencive end" and you would try to sack the quatrerback.