FILE - In this Sept. 20, 2009 photo, Kansas City Chiefs linebacker Derrick Johnson (56) tackles Oakland Raiders quarterback JaMarcus Russell(notes) (2) during the first half of a NFL football game in Kansas City, Mo. For six weeks, Johnson has been benched, taken out of the lineup for reasons that have never been made public.

FILE -- This is a Sept. 21, 2008, file photo showing Buffalo Bills' Lee Evans(notes) (83) eluding a tackle by Oakland Raiders' DeAngelo Hall(notes) (23) during the second half of an NFL football game at Ralph Wilson Stadium in Orchard Park, N.Y. Ever wonder why there are so many missed tackles in the NFL? Maybe it's because the players don't practice it much.

FILE -- This is a 2009 filer photo of Chris Chambers(notes) of the San Diego Chargers NFL football team. The Chargers have released wide receiver Chris Chambers a day after he had a key catch in a 24-16 win over the Oakland Raiders.

SAN DIEGO, CA - NOVEMBER 1: Wide Receiver Vincent Jackson(notes) #83 of the San Diego Chargers catches the ball against cornerback Chris Johnson #37 of the Oakland Raiders on November 1, 2009 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images)

SAN DIEGO, CA - NOVEMBER 1: Quarterback JaMarcus Russell(notes) #2 of the Oakland Raiders is sacked by Steve Gregory(notes) #28 of the San DIego Chargers in the 2nd half on November 1, 2009 at Qualcomm Stadium in San Diego, California. (Photo By Donald Miralle/Getty Images)

SAN DIEGO, CA - NOVEMBER 1: Runningback LaDainian Tomlinson(notes) #21 of the San Diego Chargers rushes in the game against the Oakland Raiders on November 1, 2009 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images)

SAN DIEGO, CA - NOVEMBER 1: Runningback LaDainian Tomlinson(notes) #21 of the San Diego Chargers rushes in the game against the Oakland Raiders on November 1, 2009 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images)

An Oakland Raiders security guard holds up a helmet while trying to block a photographer from shooting photos of Raiders' quarterback JaMarcus Russell(notes) (2) after the Raiders lost 24-16 to the San Diego Chargers of a NFL football game Sunday, Nov. 1, 2009 in San Diego. Russell was 14 for 22 for 109 yards and one interception. The guard swung the helmet into the camera of the photographer.

Oakland Raiders running back Justin Fargas(notes) breaks through the tackle of San Diego Chargers linebacker Stephen Cooper(notes) during the third quarter of a NFL football game Sunday, Nov. 1, 2009 in San Diego.

San Diego Chargers running back LaDainian Tomlinson(notes), left, breaks free from Oakland Raiders' Nnamdi Asomugha(notes), right, on a 10-yard touchdown run during the second quarter of a NFL football game Sunday, Nov. 1, 2009 in San Diego. The Chargers won the game 24-16.

San Diego Chargers running back LaDainian Tomlinson(notes) celebrates his touchdown during the second quarter of an NFL football game against the Oakland Raiders Sunday, Nov. 1, 2009 in San Diego. The Chargers won the game 24-16.

San Diego Chargers quarterback Philip Rivers(notes) is sacked by Oakland Raiders defensive end Matt Shaughnessy(notes) as teammate Kris Dielman(notes) sails by during the fourth quarter of a NFL football game Sunday, Nov. 1, 2009 in San Diego.

San Diego Chargers quarterback Philip Rivers(notes) fires a pass during the Chargers 24-16 victory over the Oakland Raiders in a NFL football game Sunday, Nov. 1, 2009 in San Diego. Rivers was 16 for 25 for 249 yards in the victory.

San Diego Chargers cornerback Antoine Cason(notes) and linebacker Stephen Cooper(notes) celebrate after a sack of Oakland Raiders quarterback JaMarcus Russell(notes) during the third quarter of an NFL football game Sunday, Nov. 1, 2009 in San Diego.

San Diego Chargers linebacker Tim Dobbins(notes) is wheeled off the field after suffering a knee injury in the second quarter of the Chargers' NFL football game against the Oakland Raiders Sunday, Nov. 1, 2009 in San Diego. Dobbins' return was questionable. He was starting in place of Kevin Burnett(notes), who missed his second straight game with an ankle injury.

San Diego Chargers head coach Norv Turner, right, shakes hands with Oakland Raiders head coach Tom Cable after an NFL football game Sunday, Nov. 1, 2009 in San Diego. The Chargers won 24-16.

San Diego Chargers running back LaDainian Tomlinson(notes), left, breaks away from Oakland Raiders Tyvon Branch(notes), right, on an eight-yard run during the fourth quarter on Sunday, Nov. 1, 2009 in San Diego. Tomlinson scored two touchdowns in the Chargers 24-16 win.

SAN DIEGO - NOVEMBER 01: Antonio Cromartie(notes) #31 of the San Diego Chargers puts a hit on Justin Fargas(notes) #25 of the Oakland Raiders during the fourth quarter at Qualcomm Stadium on November 1, 2009 in San Diego, California. The Chargers won 24-16. (Photo by Harry How/Getty Images)

SAN DIEGO - NOVEMBER 01: LaDainian Tomlinson(notes) #21 of the San Diego Chargers rushes against the Oakland Raiders during the second quarter at Qualcomm Stadium on November 1, 2009 in San Diego, California. The Chargers won 24-16. (Photo by Harry How/Getty Images)

SAN DIEGO - NOVEMBER 01: Shawne Merriman(notes) #56 of the San Diego Chargers celebrates a third down stop of the Oakland Raiders during the first quarter at Qualcomm Stadium on November 1, 2009 in San Diego, California. (Photo by Harry How/Getty Images)

SAN DIEGO - NOVEMBER 01: Chris Johnson #37 of the Oakland Raiders returns an interception against the San Diego Chargers during the first quarter at Qualcomm Stadium on November 1, 2009 in San Diego, California. (Photo by Harry How/Getty Images)

SAN DIEGO - NOVEMBER 01: Philip Rivers(notes) #17 of the San Diego Chargers hands off to LaDainian Tomlinson(notes) #21 against the Oakland Raiders during the second quarter at Qualcomm Stadium on November 1, 2009 in San Diego, California. (Photo by Harry How/Getty Images)

SAN DIEGO - NOVEMBER 01: Shaun Phillips(notes) #95, Shawne Merriman(notes) #56 and Eric Weddle(notes) #32 of the San Diego Chargers celebrate a third down stop of the Oakland Raiders during the first quarter at Qualcomm Stadium on November 1, 2009 in San Diego, California. (Photo by Harry How/Getty Images)

SAN DIEGO - NOVEMBER 01: Zach Miller #80 of the Oakland Raiders jumps for a catch in front of Eric Weddle(notes) #32 of the San Diego Chargers during the fourth quarter at Qualcomm Stadium on November 1, 2009 in San Diego, California. (Photo by Harry How/Getty Images)

San Diego Chargers running back LaDainian Tomlinson(notes) breaks away from Oakland Raiders' Thomas Howard(notes), right, on an eight-yard run during the fourth quarter of an NFL football game on Sunday, Nov. 1, 2009 in San Diego. Tomlinson scored two touchdowns in the Chargers 24-16 win.

San Diego Chargers' Steve Gregory(notes) sacks Oakland Raiders quarterback JaMarcus Russell(notes) during the third quarter of an NFL football game Sunday, Nov. 1, 2009 in San Diego. The Chargers won 24-16.

Oakland Raiders head coach Tom Cable leaves the field after his team lost to the San Diego Chargers 24-16 in an NFL football game Sunday, Nov. 1, 2009 in San Diego.

Oakland Raiders quarterback JaMarcus Russell(notes), left, is sacked for a 1-yard loss by San Diego Chargers linebacker Shaun Phillips(notes) during the third quarter of an NFL football game Sunday, Nov. 1, 2009 in San Diego. The Chargers won the game 24-16.

SAN DIEGO, CA - NOVEMBER 1: Shawne Merriman(notes) #56 of the San Diego Chargers enters the field before the game against the Oakland Raiders on November 1, 2009 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images)

SAN DIEGO, CA - NOVEMBER 1: Runningback LaDainian Tomlinson(notes) #21 of the San Diego Chargers rushes during the game against the Oakland Raiders on November 1, 2009 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images)