Denver Broncos' Brandon Marshall (15) walks along the sideline during the closing minutes of an NFL football game against the San Diego Chargers, Sunday, Nov. 22, 2009, in Denver. The Chargers defeated the Broncos...

...Seahawks David Hawthorne carries the ball after recovering a fumble against the Detroit Lions in an NFL football game, Sunday, Nov. 8, 2009, in Seattle. (AP Photo/Elaine Thompson

...linebacker James Harrison (92) in action against the Cincinnati Bengals during the first quarter of an NFL football game Sunday Nov. 15, 2009 in Pittsburgh. Cincinnati won 18-12.(AP Photo/Don Wright

...Forsett returns a kickoff 46 yards against the Detroit Lions during the fourth quarter of an NFL football game Sunday, Nov. 8, 2009, in Seattle. The Seahawks won 32-20. (AP Photo/Elaine Thompson

...Forsett returns a kickoff 46 yards against the Detroit Lions during the fourth quarter of an NFL football game Sunday, Nov. 8, 2009, in Seattle. The Seahawks won 32-20. (AP Photo/Elaine Thompson

Don't even think about it, even if the matchup looks favorable. Honestly.

...24) defends New England Patriots wide receiver Randy Moss (81) during the first quarter of an NFL football game (AP Photo/Frank Franklin II

Oakland Raiders' Nnamdi Asomugha (21) in action against the Philadelphia Eagles in an NFL football game in Oakland, Calif., Sunday, Oct. 18, 2009.(AP Photo/Marcio Jose Sanchez

CHICAGO - NOVEMBER 1: Jamal Lewis #31 of the Cleveland Browns runs with the football against the Chicago Bears at Soldier Field on November 1, 2009 in Chicago, Illinois. The Bears defeated...

...intended for San Francisco 49ers wide receiver Michael Crabtree (15) in the second quarter of an NFL football game in San Francisco, Thursday, Nov. 12, 2009. (AP Photo/Marcio Jose Sanchez

...89) runs the ball in for a two point conversion against the Washington Redskins during an NFL football game at Bank of America Stadium on Sunday October 11, 2009 in Charlotte, North Carolina

...ball as St. Louis Rams safety Oshiomogho Atogwe gives chase during the third quarter of an NFL football game Sunday, Nov. 15, 2009, in St. Louis. The Saints won 28-23

...running back Marshawn Lynch (23) plays against the Tennessee Titans in the second quarter of an NFL football game in Nashville, Tenn., Sunday, Nov. 15, 2009

...Dolphins' Ronnie Brown, center, is helped off the field with an ankle injury during third-quarter NFL football action against the Tampa Bay Buccaneers in Miami, Sunday, Nov. 15, 2009

Cincinnati Bengals running back Cedric Benson (32) warms up prior to their NFL football game against the Baltimore Ravens, Sunday, Nov. 8, 2009, in Cincinnati. (AP Photo/Ed Reinke