HOUSTON - DECEMBER 01: Running back Steve Slaton #20 of the Houston Texans runs against the Jacksonville Jaguars in the fourth quarter at Reliant Stadium on December 1, 2008 in Houston, Texas. (Photo by Ronald Martinez/Getty Images)

New York Giants running back Brandon Jacobs (27) leaps towards the end zone for a touchdown as Washington Redskins linebacker Rocky McIntosh (52) defends during the third quarter of an NFL football game in the rain, Sunday, Nov. 30, 2008, in Landover, Md. The Giants won 23-7. (AP Photo/Nick Wass)

Carolina Panthers quarterback Jake Delhomme (17) reacts as running back DeAngelo Williams (34) runs for a touchdown during the first half of an NFL football game against the Green Bay Packers, Sunday, Nov. 30, 2008, in Green Bay, Wis. (AP Photo/Mike Roemer)

GREEN BAY, WI - NOVEMBER 30: DeAngelo Williams #34 of the Carolina Panthers runs the ball in the first quarter against the Green Bay Packers at Lambeau Field on November 30, 2008 in Green Bay, Wisconsin. (Photo by Jonathan Daniel/Getty Images)

New Orleans Saints running back Reggie Bush (25) turns up field against Tampa Bay Buccaneers' Phillip Buchanon (31) during the first quarter of an NFL football game Sunday, Nov. 30, 2008 in Tampa, Fla. (AP Photo/Chris O'Meara)

Tampa Bay Buccaneers' Carnell Williams (24) celebrates with teammate B.J. Askew (35) after a first down run against the New Orleans Saints during the first quarter of an NFL football game Sunday Nov. 30, 2008 in Tampa, Fla. (AP Photo/Steve Nesius)

TAMPA, FL - NOVEMBER 30: Center Jeff Faine #52 of the Tampa Bay Buccaneers sets for play in the rain against the New Orleans Saints at Raymond James Stadium on November 30, 2008 in Tampa, Florida. (Photo by Al Messerschmidt/Getty Images)

TAMPA, FL - NOVEMBER 30: Running back Carnell Williams #24 of the Tampa Bay Buccaneers rushes upfield in the rain against the New Orleans Saints at Raymond James Stadium on November 30, 2008 in Tampa, Florida. (Photo by Al Messerschmidt/Getty Images)

TAMPA, FL - NOVEMBER 30: Wide receiver Devery Henderson #19 of the New Orleans Saints grabs a pass against the Tampa Bay Buccaneers at Raymond James Stadium on November 30, 2008 in Tampa, Florida. (Photo by Al Messerschmidt/Getty Images)

LANDOVER, MD - NOVEMBER 30: Eli Manning #10 of the New York Giants drops back to throw a pass against the Washington Redskins during their game at FedEx Field on November 30, 2008 in Landover, Maryland. (Photo by Streeter Lecka/Getty Images)

ST. LOUIS, MO. - NOVEMBER 30: Torry Holt #81 of the St. Louis Rams fends off Andre Goodman #21of the Miami Dolphins at the Edward Jones Dome on November 30, 2008 in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)

CLEVELAND - NOVEMBER 30: Head coach Tony Dungy of the Indianapolis Colts yells from the sideline during the second quarter while playing the Cleveland Browns on November 30, 2008 at Cleveland Browns Stadium in Cleveland, Ohio. Indianapolis won the game 10-6. (Photo by Gregory Shamus/Getty Images)

CLEVELAND - NOVEMBER 30: Robert Mathis #98 of the Indianapolis Colts celebrates a fourth quarter touchdown with Raheem Brock #79 in front of Cleveland Browns fans on November 30, 2008 at Cleveland Browns Stadium in Cleveland, Ohio. Indianapolis won the game 10-6. (Photo by Gregory Shamus/Getty Images)

LANDOVER, MD - NOVEMBER 30: Aaron Ross #31 of the New York Giants catches an interception with teammate James Butler #37 against Antwaan Randle El #82 of the Washington Redskins during their game at FedEx Field on November 30, 2008 in Landover, Maryland. (Photo by Streeter Lecka/Getty Images)

HOUSTON - DECEMBER 01: Tight end Joel Dreessen #85 of the Houston Texans is tackled by Gerald Sensabaugh #43 of the Jacksonville Jaguars at Reliant Stadium on December 1, 2008 in Houston, Texas. (Photo by Ronald Martinez/Getty Images)

HOUSTON - DECEMBER 01: The Jacksonville Jaguars on offense against the Houston Texans at Reliant Stadium on December 1, 2008 in Houston, Texas. (Photo by Ronald Martinez/Getty Images)

HOUSTON - DECEMBER 01: Defensive tackle Mario Williams #90 of the Houston Texans reacts after making a quarterback sack against David Garrard #9 of the Jacksonville Jaguars at Reliant Stadium on December 1, 2008 in Houston, Texas. (Photo by Ronald Martinez/Getty Images)

MINNEAPOLIS - NOVEMBER 30: Adrian Peterson #28 of the Minnesota Vikings runs with the ball against the Chicago Bears at the Metrodome on November 30, 2008 in Minneapolis, Minnesota. (Photo by Jonathan Ferrey/Getty Images)

MINNEAPOLIS - NOVEMBER 30: Matt Forte #22 of the Chicago Bears eludes Darren Sharper #42 of the Minnesota Vikings at the Metrodome on November 30, 2008 in Minneapolis, Minnesota. (Photo by Jonathan Ferrey/Getty Images)

MINNEAPOLIS - NOVEMBER 30: Matt Forte #22 of the Chicago Bears is stopped by the defense of the Minnesota Vikings at the Metrodome on November 30, 2008 in Minneapolis, Minnesota. (Photo by Jonathan Ferrey/Getty Images)

EAST RUTHERFORD, NJ - NOVEMBER 30: Brandon Marshall #15 of the Denver Broncos is tackled by Cody Spencer #53 of the New York Jets on November 30, 2008 at Giants Stadium in East Rutherford, New Jersey. The Broncos defeated the Jets 34-17. (Photo by Jim McIsaac/Getty Images)

EAST RUTHERFORD, NJ - NOVEMBER 30: Darrelle Revis #24 of the New York Jets breaks up a pass intended for Brandon Marshall #15 of the Denver Broncos on November 30, 2008 at Giants Stadium in East Rutherford, New Jersey. The Broncos defeated the Jets 34-17. (Photo by Jim McIsaac/Getty Images)

EAST RUTHERFORD, NJ - NOVEMBER 30: Peyton Hillis #22 of the Denver Broncos runs the ball against the New York Jets on November 30, 2008 at Giants Stadium in East Rutherford, New Jersey. (Photo by Jim McIsaac/Getty Images)

MINNEAPOLIS - NOVEMBER 30: Quarterback Gus Frerotte #12 of the Minnesota Vikings throws a passl against the Chicago Bears at the Metrodome on November 30, 2008 in Minneapolis, Minnesota. (Photo by Jonathan Ferrey/Getty Images)

MINNEAPOLIS - NOVEMBER 30: Quarterback Kyle Orton #18 of the Chicago Bears throws a pass against the Minnesota Vikings at the Metrodome on November 30, 2008 in Minneapolis, Minnesota. (Photo by Jonathan Ferrey/Getty Images)

MINNEAPOLIS - NOVEMBER 30: Adrian Peterson #28 of the Minnesota Vikings is leaps over Mike Brown #30 of the Chicago Bears as Danieal Manning #38 grabs his jersey at the Metrodome on November 30, 2008 in Minneapolis, Minnesota. (Photo by Jonathan Ferrey/Getty Images)

EAST RUTHERFORD, NJ - NOVEMBER 30: Daniel Graham #89 of the Denver Broncos runs the ball against Abram Elam #27 of the New York Jets on November 30, 2008 at Giants Stadium in East Rutherford, New Jersey. (Photo by Jim McIsaac/Getty Images)

SAN DIEGO - NOVEMBER 30: Quarterback Matt Ryan #2 of the Atlanta Falcons throws a pass against the San Diego Chargers on November 30, 2008 at Qualcomm Stadium in San Diego, California. The Falcons won 22-16. (Photo by Stephen Dunn/Getty Images)

SAN DIEGO - NOVEMBER 30: The San Diego Chargers offense lines up against the Atlanta Falcons on November 30, 2008 at Qualcomm Stadium in San Diego, California. The Falcons won 22-16. (Photo by Stephen Dunn/Getty Images)

SAN DIEGO - NOVEMBER 30: Running back Michael Turner #33 of the Atlanta Falcons carries the ball against the San Diego Chargers on November 30, 2008 at Qualcomm Stadium in San Diego, California. The Falcons won 22-16. (Photo by Stephen Dunn/Getty Images)

SAN DIEGO, CA - NOVEMBER 30: Running back LaDainian Tomlinson #21 of the San Diego Chargers runs against the Atlanta Falcons during their NFL Game on November 30, 2008 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images)

FOXBORO, MA - NOVEMBER 30: Mewelde Moore #21 of the Pittsburgh Steelers carries the ball past Lewis Sanders #29 and Jerod Mayo #51 of the New England Patriots on November 30, 2008 at Gillette Stadium in Foxboro, Massachusetts. The Steelers defeated the Patriots 33-10. (Photo by Elsa/Getty Images)

SAN DIEGO, CA - NOVEMBER 30: Running back Michael Turner #33 prepares to enter the game against the San Diego Chargers during their NFL Game on November 30, 2008 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images)

EAST RUTHERFORD, NJ - NOVEMBER 30: Brandon Stokley #14 of the Denver Broncos celebrates his touchdown against the New York Jets on November 30, 2008 at Giants Stadium in East Rutherford, New Jersey. The Broncos defeated the Jets 34-17. (Photo by Jim McIsaac/Getty Images)

SAN DIEGO, CA - NOVEMBER 30: Domonique Foxworth and Lawyer Millow #36 of the Atlanta Falcons keep the ball away from Wide Receiver Malcom Floyd #80 of the San Diego Chargers during their NFL Game on November 30, 2008 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images)

FOXBORO, MA - NOVEMBER 30: Willie Parker #39 of the Pittsburgh Steelers carries the ball as Ellis Hobbs III #27 of the New England Patriots defends on November 30, 2008 at Gillette Stadium in Foxboro, Massachusetts. The Steelers defeated the Patriots 33-10. (Photo by Elsa/Getty Images)

FOXBORO, MA - NOVEMBER 30: James Harrison #92 of the Pittsburgh Steelers celebrates after the Steelers recovered a fumble by the New England Patriots on November 30, 2008 at Gillette Stadium in Foxboro, Massachusetts. (Photo by Elsa/Getty Images)

OAKLAND, CA - NOVEMBER 30: Gibril Wilson #28 of the Oakland Raiders breaks up a pass to Tony Gonzalez #88 of the Kansas City Chiefs during an NFL game on November 30, 2008 at the Oakland-Alameda County Coliseum in Oakland, California. (Photo by Jed Jacobsohn/Getty Images)

OAKLAND, CA - NOVEMBER 30: Demorrio Williams #53 of the Kansas City Chiefs celebrates after making a tackle against the Oakland Raiders during an NFL game on November 30, 2008 at the Oakland-Alameda County Coliseum in Oakland, California. (Photo by Jed Jacobsohn/Getty Images)

OAKLAND, CA - NOVEMBER 30: Larry Johnson #27 of the Kansas City Chiefs runs against Gibril Wilson #28 of the Oakland Raiders during an NFL game on November 30, 2008 at the Oakland-Alameda County Coliseum in Oakland, California. (Photo by Jed Jacobsohn/Getty Images)

FOXBORO, MA - NOVEMBER 30: Hines Ward #86 of the Pittsburgh Steelers celebrates his touchdown in the third quarter against the New England Patriots on November 30, 2008 at Gillette Stadium in Foxboro, Massachusetts. (Photo by Elsa/Getty Images)

EAST RUTHERFORD, NJ - NOVEMBER 30: Thomas Jones #20 of the New York Jets runs the ball for a touchdown in the first quarter against the Denver Broncos on November 30, 2008 at Giants Stadium in East Rutherford, New Jersey. (Photo by Jim McIsaac/Getty Images)

SAN DIEGO, CA - NOVEMBER 30: Quarterback Matt Ryan #2 of the Atlanta Falcons hands the ball off to Running back Michael Turner #33 on the goal line against the the San Diego Chargers during their NFL Game on November 30, 2008 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images)

OAKLAND, CA - NOVEMBER 30: JaMarcus Russell #2 of the Oakland Raiders runs against the Kansas City Chiefs during an NFL game on November 30, 2008 at the Oakland-Alameda County Coliseum in Oakland, California. (Photo by Jed Jacobsohn/Getty Images)

OAKLAND, CA - NOVEMBER 30: Jarrad Page #44 of the Kansas City Chiefs breaks up a pass to Zach Miller #80 of the Oakland Raiders during an NFL game on November 30, 2008 at the Oakland-Alameda County Coliseum in Oakland, California. (Photo by Jed Jacobsohn/Getty Images)

ORCHARD PARK, NY - NOVEMBER 30: Marcus Stroud #99 of the Buffalo Bills encourages the crowd against the San Francisco 49ers on November 30, 2008 at Ralph Wilson Stadium in Orchard Park, New York. The 49ers won 10-3. (Photo by Rick Stewart/Getty Images)

CINCINNATI - NOVEMBER 30: Joe Flacco #5 of the Baltimore Ravens runs with the ball during the NFL game against the Cincinnati Bengals on November 30, 2008 at Paul Brown Stadium in Cincinnati, Ohio. (Photo by Andy Lyons/Getty Images)

CINCINNATI - NOVEMBER 30: Mark Clayton #89 of the Baltimore Ravens catches a pass while defended by Jamar Fletcher #25 of the Cincinnati Bengals during the NFL game on November 30, 2008 at Paul Brown Stadium in Cincinnati, Ohio. (Photo by Andy Lyons/Getty Images)

GREEN BAY, WI - NOVEMBER 30: Brandon Jackson #32 of the Green Bay Packers is tackled by Thomas Davis #58 and Na'il Diggs #53 of the Carolina Panthers at Lambeau Field on November 30, 2008 in Green Bay, Wisconsin. (Photo by Jonathan Daniel/Getty Images)

TAMPA, FL - NOVEMBER 30: Running back Reggie Bush #25 of the New Orleans Saints returns a kick against the Tampa Bay Buccaneers at Raymond James Stadium on November 30, 2008 in Tampa, Florida. (Photo by Al Messerschmidt/Getty Images)

ST. LOUIS, MO. - NOVEMBER 30: Steven Jackson #39 of the St. Louis Rams is tackled by Channing Crowder #52 of the Miami Dolphins at the Edward Jones Dome on November 30, 2008 in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)

ST. LOUIS, MO. - NOVEMBER 30: Nathan Jones #33 of the Miami Dolphins tackles Derek Stanley #19 of the St. Louis Rams at the Edward Jones Dome on November 30, 2008 in St. Louis, Missouri. The Dolphins beat the Rams 16-12. (Photo by Dilip Vishwanat/Getty Images)

ST. LOUIS, MO. - NOVEMBER 30: Chad Pennington #10 and Samson Satele #63 of the Miami Dolphins line up against the St. Louis Rams at the Edward Jones Dome on November 30, 2008 in St. Louis, Missouri. The Dolphins beat the Rams 16-12. (Photo by Dilip Vishwanat/Getty Images)

ST. LOUIS, MO. - NOVEMBER 30: Chad Pennington #10 of the Miami Dolphins looks to pass against the St. Louis Rams at the Edward Jones Dome on November 30, 2008 in St. Louis, Missouri. The Dolphins beat the Rams 16-12. (Photo by Dilip Vishwanat/Getty Images)

LANDOVER, MD - NOVEMBER 30: Brandon Jacobs #27 of the New York Giants runs with the ball against Chris Horton #48 of the Washington Redskins during their game at FedEx Field on November 30, 2008 in Landover, Maryland. (Photo by Streeter Lecka/Getty Images)

GREEN BAY, WI - NOVEMBER 30: Aaron Rodgers #12 of the Green Bay Packers rolls out to pass against the Carolina Panthers at Lambeau Field on November 30, 2008 in Green Bay, Wisconsin. (Photo by Jonathan Daniel/Getty Images)

GREEN BAY, WI - NOVEMBER 30: DeAngelo Williams #34 of the Carolina Panthers runs the ball against Charles Woodson #21 of the Green Bay Packers at Lambeau Field on November 30, 2008 in Green Bay, Wisconsin. (Photo by Jonathan Daniel/Getty Images)

GREEN BAY, WI - NOVEMBER 30: Donald Driver #80 of the Green Bay Packers performs a "Lambeau Leap" as he celebrates with fans after scoring a 6-yard touchdown reception in the second quarter against the Carolina Panthers at Lambeau Field on November 30, 2008 in Green Bay, Wisconsin. (Photo by Jonathan Daniel/Getty Images)

ORCHARD PARK, NY - NOVEMBER 30: Lee Evans #83 of the Buffalo Bills is tackled by Walt Harris #27 of the San Francisco 49ers on November 30, 2008 at Ralph Wilson Stadium in Orchard Park, New York. (Photo by Rick Stewart/Getty Images)

ST. LOUIS, MO. - NOVEMBER 30: Davone Bess #15 of the Miami Dolphins attempts to make a touchdown catch against Will Witherspoon #51 of the St. Louis Rams at the Edward Jones Dome on November 30, 2008 in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)