I'm sorry. I totally misread your post. I take it all back. It's worth noting though that Julian Peterson only started 7 games his rookie season, and Dansby has been a starter essentially since he was drafted.
Dansby's career stats:
http://hosted.stats.com/fb/playerstats.asp?id=6792&team=22
58 games, 253 tackles, 20.5 sacks, 7 INTs, 21 passes defensed, 9 forced fumbles.
Peterson's career stats:
http://hosted.stats.com/fb/playerstats.asp?id=5045&team=26
59 games (53 starts), 213 tackles, 16 sacks, 5 INTs, 32 passes defensed, 5 forced fumbles.
Wow. That productivity is pretty amazing. I think people forget sometimes that linebackers peak a little further along in their careers. Derrick Brooks didn't really start to peak until his 4-8th seasons. It really is essential that the Cards find a way to keep Dansby in the fold after this year.