Defense might not be winning championships these days -- the Baltimore Ravens, after all, were fairly middle-of-the-road -- but it certainly doesn't hurt; the Super Bowl runner-up San Francisco 49ers had one of the league's best defenses a season ago, as did many of the league's playoff teams. How do the contenders stack up on that side of the ball in 2013? Click on the logos below to set your rankings!

NFL Defenses

49ers

49ers

2012 YPG Rank: 3rd
2012 PPG Rank: 2nd

Bears

Bears

2012 YPG Rank: 5th
2012 PPG Rank: 3rd

Bengals

Bengals

2012 YPG Rank: 6th
2012 PPG Rank: 8th

Bills

Bills

2012 YPG Rank: 22nd
2012 PPG Rank: 26th

Broncos

Broncos

2012 YPG Rank: 2nd
2012 PPG Rank: 4th

Browns

Browns

2012 YPG Rank: 23rd
2012 PPG Rank: 19th

Buccaneers

Buccaneers

2012 YPG Rank: 29th
2012 PPG Rank: 23rd

Cardinals

Cardinals

2012 YPG Rank: 12th
2012 PPG Rank: 17th

Chargers

Chargers

2012 YPG Rank: 9th
2012 PPG Rank: 16th

Chiefs

Chiefs

2012 YPG Rank: 20th
2012 PPG Rank: 25th

Colts

Colts

2012 YPG Rank: 26th
2012 PPG Rank: 21st

Cowboys

Cowboys

2012 YPG Rank: 19th
2012 PPG Rank: 24th

Dolphins

Dolphins

2012 YPG Rank: 21st
2012 PPG Rank: 7th

Eagles

Eagles

2012 YPG Rank: 15th
2012 PPG Rank: 29th

Falcons

Falcons

2012 YPG Rank: 24th
2012 PPG Rank: 5th

Giants

Giants

2012 YPG Rank: 31st
2012 PPG Rank: 12th

Jaguars

Jaguars

2012 YPG Rank: 30th
2012 PPG Rank: 29th

Jets

Jets

2012 YPG Rank: 8th
2012 PPG Rank: 20th

Lions

Lions

2012 YPG Rank: 13th
2012 PPG Rank: 27th

Packers

Packers

2012 YPG Rank: 11th
2012 PPG Rank: 11th

Panthers

Panthers

2012 YPG Rank: 10th
2012 PPG Rank: 18th

Patriots

Patriots

2012 YPG Rank: 25th
2012 PPG Rank: 9th

Raiders

Raiders

2012 YPG Rank: 18th
2012 PPG Rank: 8th

Rams

Rams

2012 YPG Rank: 14th
2012 PPG Rank: 14th

Ravens

Ravens

2012 YPG Rank: 17th
2012 PPG Rank: 12th

Redskins

Redskins

2012 YPG Rank: 28th
2012 PPG Rank: 22nd

Saints

Saints

2012 YPG Rank: 32nd
2012 PPG Rank: 31st

Seahawks

Seahawks

2012 YPG Rank: 4th
2012 PPG Rank: 1st

Steelers

Steelers

2012 YPG Rank: 1st
2012 PPG Rank: 6th

Texans

Texans

2012 YPG Rank: 7th
2012 PPG Rank: 9th

Titans

Titans

2012 YPG Rank: 27th
2012 PPG Rank: 32nd

Vikings

Vikings

2012 YPG Rank: 16th
2012 PPG Rank: 14th

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