JACKSONVILLE, Fla. (AP)

Jacksonville Jaguars defensive end Aaron Kampman is on crutches again after having surgery on his right knee for the second time in two years.

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.

JACKSONVILLE, Fla. — Jacksonville Jaguars defensive end Aaron Kampman is on crutches again after having surgery on his right knee for the second time in two years.

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.

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JACKSONVILLE, Fla. — The Jacksonville Jaguars placed defensive end Aaron Kampman on injured reserve for the second consecutive season Friday.

Kampman played sparingly in three games this year, missing the first five games while recovering from a knee injury and sitting out the past four because of a badly strained hamstring.

This marks the third consecutive season that Kampman ended the season on IR.

The Jaguars (3-9) also signed tight end Colin Cloherty to the active roster from the practice squad, signed defensive end Jammie Kirlew to the practice squad and waived defensive end Marc Schiechl from injured reserve.

Kampman had two tackles and two quarterback pressures this season. He signed a four-year, $26 million contract with Jacksonville in 2010, but has played just 11 games in two years.

JACKSONVILLE, Fla. (AP)—The Jacksonville Jaguars are going to play the
rest of the season with several backups on defense, and things could get worse.

The Jaguars placed cornerback Derek Cox(notes) on injured reserve Friday with a
knee injury, the third defensive starter lost in the last two weeks.

Linebacker Clint Session(notes) was placed on injured reserve Tuesday following a
second concussion this season. The team also lost cornerback Rashean Mathis(notes) to a
season-ending knee injury nearly two weeks ago.

Making matters worse, defensive linemen Terrance Knighton(notes) and Matt Roth(notes) have
been ruled out for Sunday’s game against Houston. Aaron Kampman(notes) also is
questionable because of a hamstring injury. Knighton said Friday he is waiting
to hear from doctors whether he will play again this season.

“With some of the guys that we’re going to play, we’ll find out how well
we’ve done in developing some of these guys, how much attention they’ve been
paying,” coach Jack Del Rio said. “It is a healthy process to have, where guys
understand that they can get that opportunity with hard work and commitment to
the team. You hate to have this many guys (injured), but that is the way we
approach it as coaches.”

Backup cornerbacks Will Middleton and Ashton Youboty(notes), who was signed off the
street 10 days ago, are expected to start against the Texans.

The Jaguars (3-7) now have 17 players on IR. Most of the early ones were
backups. Recently, it’s all been starters. Knighton and Kampman could be next,
especially if Jacksonville officially gets eliminated from the postseason race.

Del Rio said he was hopeful Knighton and Kampman would return.

“Just remain hopeful on that,” Del Rio said. “We’ll see how it goes.”

The team signed quarterback Dan LeFevour(notes) off Indianapolis’ practice squad to
take Cox’s roster spot.

LeFevour, a sixth-round draft pick by Chicago in 2010, was claimed off
waivers by Cincinnati in September 2010 and spent the entire season on the
Bengals’ 53-man roster. He was inactive for every game as the No. 3 quarterback.
LeFevour spent the 2011 preseason with the Bengals before being waived in final
cuts. He was signed to the Colts’ practice squad on Nov. 9.

“We studied him coming out,” Del Rio said. “That’s obviously more of a
future, develop a guy, as opposed to a guy that’s expected to come in and
play.”