50 Defense

Entertainment / Football / 50 Defense: A once popular college defense with 5 defensive linemen and 2 linebackers. Also known as the 'Oklahoma Defense,' it is structurally very similar to the 3-4. In the 50-defense, the team uses a nose tackle (NT), 2 defensive tackles(dts) lined up over or slightly inside the offensive tackles(ots), and 2 defensive ends (des) lineup over or outside the tight end (TE). It maximizes size along the line of scrimmage and is mostly used only in high school against teams that run the ball a lot.
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Other Words for Defense

Defense Noun Synonyms: shelter, protection, cover, guard, safeguard, shield
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Nickel Defense

Entertainment / Football / Nickel Defense: When a defense brings in a 5th defensive back to replace a linebacker on the field, increasing its pass coverage. MORE

Prevent Defense

Entertainment / Football / Prevent Defense: A defensive strategy that utilizes deep zone coverage in order to prevent a big pass play from happening down field, usually at the expense of giving up yards at shorter distances. Often used against MORE

Quarter Defense

Entertainment / Football / Quarter Defense: Defensive formation with seven defensive backs, three down linemen and one linebacker. MORE