Aaron Kampman tore his ACL in December during the 2009 NFL season while struggling to complete the transition to outside linebacker with the Green Bay Packers. Kampman was set to hit free agency in the 2010 offseason because his contract had expired, but despite the ACL injury he was still a sought after in free agency. To most everyone's surprise, Kampman wound up visiting the Jacksonville Jaguars first in the 2010 offseason and didn't leave town without a contract. He was the first big free agent signing of the Gene Smith era, and was hoped to be the fix to the Jaguars pass rushing woes.
For the first eight games of the 2010 season Kampman was the fix to the Jaguars pass rush. But, then one week in practice Kampman tore his ACL again in non-contact drills, and that was all the four-year, $24 million contract he signed in free agency wrote. Kampman couldn't get ever get back healthy after that. He suffered a set back with his knee in the 2011 preseason and played in just a handful of games during the regular season, but was just a guy on the field.
Contract versus production wise, Kampman was one of the worst free agent signings in Jaguars history. Kampman won't and shouldn't be remember as that however, because of the type of guy he was. He busted ass on and off the field, pushed his teammates to do the same, and in his short while here made a big impression on some of the young defensive lineman.