Ravens: Led the league in forced turnovers and should be the first unit considered on draft day.

Steelers: Still a decent option, even if Super Bowl winners rarely repeat. Lawrence Timmons will take Larry Foote�s spot at inside linebacker and William Gay replaces Bryant McFadden at safety. Otherwise, everybody�s back.
Giants: An already good unit should be better with the return of defensive end Osi Umenyiora, who missed all of last year with a left knee injury.
Vikings: Anything they get out of rookie returner Percy Harvin is bonus for a unit already near the top of the list.
Patriots: A solid defense, but they really don�t make enough big plays. Former Eagles defensive end Derrick Burgess takes over for Mike Vrabel at outside linebacker.
Bears: After finishing 21st in yardage allowed last year, the Bears made Rod Marinelli the defensive line coach. Marinelli also had a tough campaign in 2008. He was the head coach of the 0-16 Lions.
Eagles: After losing their heart (Brian Dawkins), soul (Jim Johnson) and middle linebacker (Stewart Bradley), the Birds are a middle-of-the road pick.
Cowboys: Former defensive coordinator Brian Stewart took the fall for last year�s meltdown. Stewart is now on Andy Reid�s staff, and head coach Wade Phillips is guiding Dallas� defense.
Chargers: San Diego becomes a starting option in larger leagues as long as Shawne Merriman stays healthy. He played in only one game last year after ripping up his left knee.
Redskins: Getting monster defensive tackle Albert Haynesworth will help stop the run, but it doesn�t make Washington much more than bye week filler.

QUICK HITTERS
On the way up: Giants
On the way down: Panthers
Riskiest pick: Bears
Sleeper: Chargers
Please avoid: Broncos

THE TOP 20 (with bye weeks for each team)
1. Ravens 7
2. Steelers 8
3. Giants 10
4. Titans 7
5. Vikings 9
6. Patriots 8
7. Dolphins 6
8. Bears 5
9. Eagles 4
10. Cowboys 6
11. Panthers 4
12. Jets 9
13. Chargers 5
14. Redskins 8
15. Colts 6
16. Cardinals 4
17. Falcons 4
18. Packers 5
19. 49ers 6
20. Buccaneers 8