These are 2009 file photos showing Green Bay Packers football players Al Harris, left, and Aaron Kampman. Green Bay cornerback Al Harris and linebacker Aaron Kampman will both have season-ending knee surgery...

...25, 2009 in Cleveland, Ohio. (Photo by Matt Sullivan/Getty Images) 3- Green Bay Packers linebacker Aaron Kampman (74) against the Cleveland Browns during their NFL football game on Sunday, Oct. 25, 2009, in...

...Brett Favre (4) passes the ball for a touchdown in front of Green Bay Packers linebacker Aaron Kampman (74) during the first quarter at the Metrodome

CAPTION: Aug. 28, 2009; Glendale, AZ, USA; Green Bay Packers linebacker (74) Aaron Kampman against the Arizona Cardinals during a preseason game at University of Phoenix Stadium. Mandatory Credit: Mark...

...MO - SEPTEMBER 27: Kyle Boller #12 of the St. Louis Rams looks for a receiver as Aaron Kampman #74 of the Green Bay Packers pass rushes during the game at the Edward Jones Dome...

Dec 7, 2008; Green Bay, WI, USA; Green Bay Packers defensive end Aaron Kampman (74) rushes as Houston Texans offensive tackle Eric Winston (73) blocks during the game at Lambeau...

GREEN BAY, WI - SEPTEMBER 13: Cullen Jenkins #77 and Aaron Kampman #74 of the Green Bay Packers tackle Jay Cutler #6 of the Chicago Bears on September...

Green Bay Packers defensive end Aaron Kampman (74) tackles Cleveland Browns quarterback Brady Quinn (10) during the first half of an NFL exhibition...

Aaron Kampman ranks third in the NFL with 37 sacks over the past three seasons

Dec 7, 2008; Green Bay, WI, USA; Green Bay Packers defensive end Aaron Kampman (74) rushes as Houston Texans offensive tackle Eric Winston (73) blocks during the game at Lambeau...

...Cowboys during the Cowboys minicamp practice at Standridge Stadium in Carrollton, Texas. Green Bay Packers linebacker Aaron Kampman during the Packers Mini camp Monday, June 22, 2009, in Green Bay. (AP Photo/Jim Prisching...

GREEN BAY, WI - NOVEMBER 16: Aaron Kampman #74 of the Green Bay Packers battles on the line during an NFL game against the...

28 Sep 2008: Aaron Kampman of the Packers during the game between the Green Bay Packers and the Tampa Bay Buccaneers...

GREEN BAY, WI - NOVEMBER 30: Aaron Kampman #74 of the Green Bay Packers lines up against the Carolina Panthers at Lambeau Field on...

GREEN BAY, WI - NOVEMBER 30: Aaron Kampman #74 of the Green Bay Packers lines up against the Carolina Panthers at Lambeau Field on...