In football what does a defensive back do?

Answer 1

A defensive back or corners job is to either to cover a wide receiver or get a zone. Their is two zones that a defensive back could have, flats(7 yards from the line of scrummage and one fourth of the field) and deep third( deep third of the field).

Answer 2

The objective of a linebacker depends on the coverage that linebacker is in. If it is a blitz package, the linebacker will rush the line. If the linebacker is in a zone coverage he will guard any receiver who enters his zone. If the linebacker is in man coverage, he will guard one specific receiver.

Answer 3

Whatever he can to prevent the other team from advancing the ball, with a special emphasis on minimizing passing yardage.

Answer 4

The main objective of the defensive team is to prevent the offensive team from scoring.