2 DT's or Defensive Tackles align in the middle of the front line of defense closest to the ball.2 DE's or Defensive Ends align in the outside of the front line furthest from the ball, but still on the line of scrimmage.3 LB's or Linebackers line up about 4-5 yards behind the four linemen. Two are called Outside Linebackers.The last four players are the defensive secondary and primarily defend pass plays.2 CB's or cornerbacks align outside the the DE's and are normally 7-15 yards deep depending on the down and distance.2 S's or safety's align themselves inside the CB's and furthest from the ball. One is a Free Safety FS and one is a Strong Safety SS. SS's align on the strong side of the offense...the side with the most blockers and higher percentage of a run.
DE DT DT DE OLB MLB OLB CB CB SS FS
Chat with our AI personalities
In most leagues there is a maximum number of 11 players allowed on the field at any one time for either team, and for either unit.
It is not illegal for a team to field less than 11 players.
It's not particularly wise, but it's not illegal.
A football team is split in three types. The defensive players defend the field against the offense. They also try to intercept the ball, recover fumbles, and tackle the quarterback.
It will vary from play to play, depending on the down and yardage, and what they are expecting the offense to do.