The 49ers finished with the league's top-ranked defense last season.

Oklahoma has the top-ranked defense in the nation and the 10th-ranked offense.

Last year, Dallas had the top-ranked defense and no one from that unit went.

They have the nation's top-ranked scoring defense and rang up 58 sacks.

In 1999, he was the coordinator for Buffalo's top-ranked defense.

He was the signal caller for the Cowboys when they were the top-ranked defense in the league (1992 and 1994).

His success came against what was the conference's top-ranked defense.

Over 16 games, the Steelers, with the top-ranked defense in the league, gave up 4.5 yards a play.

They will not yet say what those changes are, but they feel the Jets could have the top-ranked defense this season.

The 49ers believe their top-ranked defense can slow Favre down.