A nickel back refers to a position on defense in American Football when a team adds a fifth cornerback, subbing out either a down lineman or linebacker. This type of defensive substitution is typically run in obvious passing downs. When a team runs this type of formation it is usually called the "Nickel D".
If you have a base 3-4 base defense, you would have three down linemen (D. Tackle, Nose Tackle, D. Tackle) and four linebackers (ROLB, RILB, LILB, LOLB), two corners and two safeties. In a nickel D, the 3/4 defense typically subs out a line backer so the defensive front would be 3/3/5, three linemen, 3 linebackers, 5 defensive backs.
In a 4-3 base defense, you would have four down linemen (D-End, D-Tackle, D-Tackle, D-End) and three linebackers (LOLB, MLB, LOLB), two corners and two safeties. In a "Nickel D", the 4-3 defense could sub either a lineman or a linebacker. If you sub out a line backer, the defensive front would be 4/2/5, four linemen, 2 linebackers, 5 defensive backs. If the team were to sub out a lineman the defensive front would be 3/3/5, three linemen, 3 linebackers and 5 defensive backs.
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Nickelback is Canadian
Description is occasionally incorrectly spelled discription. In physics the word description can be used interchangeably with the word scientific theory.
Nickelback isn't Australian, they are Canadian.
The band Nickelback is not a gang.
Nickelback write their own songs.
Nickelback plays for about 2 hours.
Nickelback wrote 'How You Remind Me' in 2001.
what is the discription of a mouse
The answer is unspecified, as that was in a webpage discription.
discription learning
The lead singer of Nickelback is Chad Kroeger