Interim coach Mel Tucker says Kampman had "some work done to get some things cleaned up."
Kampman tore the anterior cruciate ligament in his right knee in practice on Nov. 11, 2010. His recovery was slower than expected, and he only played in three games this season before going on injured reserve for the third consecutive year.
He had the same injury in his left knee in 2009. So Kampman will have missed 28 games over the last three seasons, including 20 since signing a four-year, $25 million contract with the Jaguars in March 2010. It's unclear whether he will remain in Jacksonville next season.