San Diego Chargers defensive back Eric Weddle stops Minnesota Vikings running back Adrian Peterson during the first half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

Football fans wave a flag during a tribute for the tenth anniversary of Sept. 11 before the San Diego Chargers play the Minnesota Vikings in an NFL football game Sunday, Sept. 11, 2011, in San Diego, Calif. (AP Photo/Chris Carlson)

Minnesota Vikings quarterback Donovan McNabb makes a throw as San Diego Chargers defensive back Eric Weddle approaches during the first half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

A piece of steel from the World Trade Center and a NY Fire Department hat are displayed in a tribute for the tenth anniversary of Sept. 11 before the San Diego Chargers play the Minnesota Vikings in an NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

Officials break up a scuffle between San Diego Chargers defensive back Eric Weddle, far right, and Minnesota Vikings wide receiver Percy Harvin, third left, during the first half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Chris Carlson)

San Diego Chargers running back Mike Tolbert celebrates after scoring a touchdown during the first half of a NFL football game against the Minnesota Vikings Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

Osprey aircraft fly over Qualcomm Stadium during a tribute for the 10th anniversary of the Sept. 11, 2001, attacks, before the San Diego Chargers faced the Minnesota Vikings in an NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Tracy Gitnick)

San Diego Chargers defensive end Antonio Garay, with red, white and blue hair, warms up before a NFL football game against the Minnesota Vikings on Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

A San Diego Chargers fan holds a sign commemorating the attacks of Sept. 11, 2001, before an NFL football game between the Chargers and the Minnesota Vikings on Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers quarterback Philip Rivers throws the ball during the first half of a NFL football game against the Minnesota Vikings Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

Minnesota Vikings linebacker Chad Greenway stops San Diego Chargers tight end Antonio Gates during the first half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

Minnesota Vikings wide receiver Michael Jenkins (84) pulls in a touchdown pass during the first half of a NFL football game as he is pursued by San Diego Chargers linebacker Takeo Spikes (51) and Bob Sanders (31) Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

Minnesota Vikings running back Adrian Peterson (28) tries to evade the defense of San Diego Chargers defensive back Eric Weddle, right, during the first half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

Fans cheer during a tribute for the tenth anniversary of Sept. 11 before the San Diego Chargers face the Minnesota Vikings in an NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

Minnesota Vikings wide receiver Percy Harvin (12) leaps over a San Diego Chargers defender during the first half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers quarterback Philip Rivers is socked by Minnesota Vikings linebacker Erin Henderson during the second half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers running back Mike Tolbert (35) scores as Marcus McNeill (73) celebrates during the second half of a NFL football game against the Minnesota Vikings Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers tight end Antonio Gates runs past the defense from Minnesota Vikings defensive back Jamarca Sanford during the second half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers' Mike Tolbert celebrates after the Chargers beat the Minnesota Vikings 24-17 in their NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

Minnesota Vikings quarterback Donovan McNabb throws a pass against the San Diego Chargers during the second half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers cheerleaders perform during the first half of a NFL football game against the Minnesota Vikings Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers running back Mike Tolbert celebrates after scoring during the first half of a NFL football game against the Minnesota Vikings Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Chris Carlson)

Minnesota Vikings quarterback Donovan McNabb runs against the San Diego Chargers during the srecond half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers quarterback Philip Rivers celebrates after a first down in the fourth quarter of a NFL football game against the Minnesota Vikings Sunday, Sept. 11, 2011, in San Diego. The Chargers beat the Vikings 24-17. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Vincent Jackson (83) celebrates after the Chargers beat the Minnesota Vikings 24-17 in their NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

Minnesota Vikings defensive back Cedric Griffin sits on the bench during the second half of a NFL football game against the San Diego Chargers Sunday, Sept. 11, 2011, in San Diego. The Chargers beat the Vikings 24-17. (AP Photo/Gregory Bull)

San Diego Chargers quarterback Philip Rivers, right, embraces Minnesota Vikings quarterback Donovan McNabb (5) after the Chargers beat the Vikings 24-17 in their NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers quarterback Philip Rivers (17) talks with Minnesota Vikings quarterback Donovan McNabb (5) after an NFL football game Sunday, Sept. 11, 2011 in San Diego. The Chargers won 24-17. (AP Photo/Denis Poroy)

Minnesota Vikings defensive end Jared Allen pulls in an interception in front of San Diego Chargers running back Ryan Mathews during the second half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers running back Mike Tolbert, center, Randy McMichael, left, and Vincent Jackson celebrate after Tolbert's touchdown during the second half of a NFL football game against the Minnesota Vikings Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

Marines hold up the American flag during a tribute for the tenth anniversary of Sept. 11 before the San Diego Chargers face the Minnesota Vikings in an NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Chris Carlson)

San Diego Chargers wide receiver Vincent Jackson, right, can't get a hand on a pass under pressure by Minnesota Vikings defensive back Cedric Griffin during the first half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Vincent Jackson can't get his hands on an incomplete pass during the first half of a NFL football game against the Minnesota Vikings Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

Minnesota Vikings running back Adrian Peterson (28) looks up during a tribute for the tenth anniversary of Sept. 11 during before their NFL football game against the San Diego Chargers Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers face the Minnesota Vikings during the first half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

Minnesota Vikings quarterback Donovan McNabb prepares to throw during the first half of a NFL football game against the San Diego Chargers Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

Minnesota Vikings wide receiver Percy Harvin runs the opening kick for a touchdown as he is pursued by San Diego Chargers defensive back Darrell Stuckey during the first half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

Members of the New York Fire Department pause during a moment of silence for the tenth anniversary of Sept. 11 before the NFL football game between the San Diego Chargers and Minnesota Vikings Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

The San Diego Chargers play the Minnesota Vikings in an NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Tracy Gitnick)

San Diego Chargers quarterback Philip Rivers rolls out to pass against the Minnesota Vikings during the srecond half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

Minnesota Vikings running back Adrian Peterson runs during the first half of a NFL football game against the Minnesota Vikings Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers kicker Nate Kaeding is taken off the field after an injury during the first half of a NFL football game Sunday, Sept. 11, 2011, in San Diego, Calif. (AP Photo/Denis Poroy)

San Diego Chargers quarterback Philip Rivers and defensive back Eric Weddle celebrate after the Chargers beat the Minnesota Vikings 24-17 in their NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers running back Mike Tolbert dives into the end zone for a touchdown as a Minnesota Vikings defender tries to stop him during the second half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Denis Poroy)

Minnesota Vikings defensive end Jared Allen celebrates with offensive line coach Jeff Davidson after an interception during the second half of a NFL football game Sunday, Sept. 11, 2011, in San Diego. (AP Photo/Gregory Bull)