Running backs-Running backs take the ball from the quarterback and run up the field. Depending on the fomation , halfback or fullback .
Defense
When a team does not have possession of the ball, it is on defense and uses various methods to prevent the other teams offense from scoring. These players must tackle the offensive player who has the ball to stop the offense from advancing.Defense will also try to take the ball away from the offense.
Here are the basic defensive positions:
Defensive linemen-The linemen put pressure on the quarterback by trying to tackle him before he releases the ball. They also try to stop running backs.There are typically three or four defensive linemen.
Linebackers-When there are four linemen, there is a middle linebacker and two outside linebackers . When there are three linemen. there are two inside linebackers and two outside linebackers. Their job is to back up the linemen. as well as contain runners and cover receivers on some plays.
Cornerbacks -The cornerbacks prevent the wide receivers from catching the ball by breaking up passes from the quarterback.
Safeties-The safeties play deep behind the rest of the defense to prevent a long pass or run. A strong safety lines up on the side of the field where there are more offensive players. The free safety plays a deep, middle position.
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