Top 5 best Defenses of all time?

Question

1. Ravens 2000

im too lazy to do rest.

Answer 1

   Ravens 2000 was by far the best. This is the only defense that didn't get tired because they  substituted players in key positions, and their 2nd string players were almost as great as their starters were. They also scored a lot of points!

Answer 2

any steelers team from the mid to late 70s

85 bears

Answer 3

1. '70s "Steel Curtain" of Pittsburgh

2. '85 Bears

3. '72 "No Name Defense" of the Miami Dolphins

4. 2000 Ravens

5. '90s Cowboys

Answer 4

1. 1985 Bears

2. 2000 Ravens

3. 1992 Cowboys

4. 1977 Cowboys (Doomsday)

5. 1977 Broncos (Orange Crush)

EDIT: Add any Steelers defense from the '70's; I forgot.

Answer 5

1.Chicago Bears 1985-monsters of the midway

2.Baltimore Ravens 2000

3.Pittsburgh Steelers  1970s-steel curtain

4.Dallas Cowboys ...-doomsday

5.Minnesota Vikings -they had some good ones

Answer 6

Definitely the Steel Curtain.

Answer 7

Steel Curtain Steelers from the 70's....... I give them the whole decade.  That is 10 right there.

Thumbs up to those who agree.