Tennessee Titans running back Chris Johnson (28) runs for a 94-yard touchdown against the New York Jets in the second quarter of an NFL football game, Monday, Dec. 17, 2012, in Nashville, Tenn. (AP Photo/Wade Payne)

Tennessee Titans safety Michael Griffin (33) intercepts a pass intended for New York Jets wide receiver Braylon Edwards (17) in the fourth quarter of an NFL football game on Monday, Dec. 17, 2012, in Nashville, Tenn. The Titans won 14-10. At right is Titans cornerback Jason McCourty (30). (AP Photo/Joe Howell)

Tennessee Titans quarterback Jake Locker (10) is hugged by tackle Mike Otto (66) after running 13 yards for a touchdown against the New York Jets in the third quarter of an NFL football game, Monday, Dec. 17, 2012, in Nashville, Tenn. (AP Photo/Wade Payne)

Tennessee Titans wide receiver Nate Washington (85) is brought down by New York Jets cornerback Kyle Wilson (20) in the first quarter of an NFL football game, Monday, Dec. 17, 2012, in Nashville, Tenn. (AP Photo/Wade Payne)

Houston Texans wide receiver Andre Johnson (80) catches a pass for a first down as Indianapolis Colts cornerback Vontae Davis (23) defends during the first quarter of an NFL football game Sunday, Dec. 16, 2012, in Houston. (AP Photo/Eric Gay)

San Francisco 49ers wide receiver Randy Moss (84) celebrates his touchdown catch from quarterback Colin Kaepernick (7) in the first quarter of an NFL football game against the New England Patriots in Foxborough, Mass., Sunday, Dec. 16, 2012. (AP Photo/Steven Senne)

San Francisco 49ers wide receiver Randy Moss (84) makes a touchdown catch in front of New England Patriots free safety Devin McCourty (32) in the first quarter of an NFL football game in Foxborough, Mass., Sunday, Dec. 16, 2012. (AP Photo/Steven Senne)

Seattle Seahawks wide receiver Sidney Rice (18) is tackled by Buffalo Bills strong safety George Wilson (37) during the second half of an NFL football game on Sunday, Dec. 16, 2012, in Toronto. (AP Photo/Mike Groll)

Dallas Cowboys running back DeMarco Murray (29) celebrates his touchdown against the Pittsburgh Steelers with Dez Bryant (88) during the second half of an NFL football game Sunday, Dec. 16, 2012 in Arlington, Texas. (AP Photo/Tony Gutierrez)

Pittsburgh Steelers wide receiver Antonio Brown (84) celebrates his touchdown against the Dallas Cowboys during the second half of an NFL football game, Sunday, Dec. 16, 2012, in Arlington, Texas. (AP Photo/LM Otero)

Detroit Lions running back Mikel Leshoure (25) breaks a tackle by Arizona Cardinals cornerback William Gay (22) during the second half of an NFL football game on Sunday, Dec. 16, 2012, in Glendale, Ariz. (AP Photo/Matt York)

Pittsburgh Steelers wide receiver Antonio Brown (84) scores a touchdown as Dallas Cowboys cornerback Mike Jenkins (21) defends during the second half of an NFL football game Sunday, Dec. 16, 2012 in Arlington, Texas. (AP Photo/LM Otero)

Chicago Bears wide receiver Brandon Marshall (15) runs for a touchdown during Week 15 game against the Green Bay Packers at Soldier Field in Chicago, IL on Dec. 16, 2012 (Todd Rosenberg/NFL)

Atlanta Falcons outside linebacker Stephen Nicholas (54) flexes on the sideline during an NFL football game against the New York Giants at Georgia Dome on Sunday, Dec. 16, 2012 in Atlanta. The Falcons won 34 - 0. (Perry Knotts/NFL)

Atlanta Falcons wide receiver Harry Douglas (83) makes a reception during an NFL football game against the New York Giants at Georgia Dome on Sunday, Dec. 16, 2012 in Atlanta. The Falcons won 34 - 0. (Perry Knotts/NFL)

Detroit Lions running back Mikel Leshoure (25) celebrates his touchdown against the Arizona Cardinals during the first half of an NFL football game on Sunday, Dec. 16, 2012, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Cincinnati Bengals' Andy Dalton (14) spikes the ball after scoring a touchdown in the second half of an NFL football game against the Philadelphia Eagles, Thursday, Dec. 13, 2012, in Philadelphia. (AP Photo/Mel Evans)

Atlanta Falcons running back Michael Turner (33) runs over New York Giants linebacker Adrian Tracy (98) during the first half of an NFL football game on Sunday, Dec. 16, 2012, in Atlanta. (AP Photo/John Amis)

Atlanta Falcons center Todd McClure (62) celebrates as Falcons running back Michael Turner (33) runs into the end zone before the first half of an NFL football game against New York Giants, Sunday, Dec. 16, 2012, in Atlanta. (AP Photo/John Amis)

Minnesota Vikings quarterback Christian Ponder, left, dives into the end zone past St. Louis Rams cornerback Janoris Jenkins for a 5-yard touchdown during the first quarter of an NFL football game Sunday, Dec. 16, 2012, in St. Louis. (AP Photo/Tom Gannam)

Houston Texans wide receiver Andre Johnson (80) runs into the end zone for a touchdown after catching a pass against the Indianapolis Colts in the first quarter of an NFL football game on Sunday, Dec. 16, 2012, in Houston. (AP Photo/Eric Gay)

Green Bay Packers inside linebacker A.J. Hawk tackles Chicago Bears running back Matt Forte (22) in the first half of an NFL football game in Chicago, Sunday, Dec. 16, 2012. (AP Photo/Nam Y. Huh)

Cincinnati Bengals' A.J. Green, left, hangs onto a pass as Philadelphia Eagles' Dominique Rodgers-Cromartie defends in the second half of an NFL football game on Thursday, Dec. 13, 2012, in Philadelphia. (AP Photo/Michael Perez)

San Francisco 49ers quarterback Colin Kaepernick (7) runs against the New England Patriots in the second quarter of an NFL football game in Foxborough, Mass., Sunday, Dec. 16, 2012. (AP Photo/Steven Senne)

Philadelphia Eagles' Bryce Brown, right, breaks past Cincinnati Bengals' Emmanuel Lamur in the first half of an NFL football game, Thursday, Dec. 13, 2012, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles' Colt Anderson, right, breaks up a pass intended for Cincinnati Bengals' A.J. Green in the first half of an NFL football game, Thursday, Dec. 13, 2012, in Philadelphia. (AP Photo/Mel Evans)

Cincinnati Bengals' Wallace Gilberry struts into the end zone for a touchdown after recovering a fumble by the Philadelphia Eagles in the second half of an NFL football game on Thursday, Dec. 13, 2012, in Philadelphia. (AP Photo/Mel Evans)

Tampa Bay Buccaneers defensive back Anthony Gaitor (26) breaks up a pass intended for New Orleans Saints wide receiver Lance Moore (16) in the first half of an NFL football game at the Mercedes-Benz Superdome in New Orleans, Sunday, Dec. 16, 2012. (AP Photo/Bill Feig)

Cleveland Browns running back Trent Richardson (33) scores on a 1-yard touchdown run against the Washington Redskins in the second quarter of an NFL football game on Sunday, Dec. 16, 2012, in Cleveland. (AP Photo/Tony Dejak)

Houston Texans linebacker Bryan Braman (50) celebrates on the bench after blocking a punt and returning it for a touchdown in the second quarter of an NFL football game against the Indianapolis Colts, Sunday, Dec. 16, 2012, in Houston. (AP Photo/Dave Einsel)

Indianapolis Colts wide receiver Reggie Wayne (87) is tackled by Houston Texans cornerback Kareem Jackson (25) in the second quarter of an NFL football game on Sunday, Dec. 16, 2012, in Houston. (AP Photo/Dave Einsel)

Denver Broncos wide receiver Eric Decker, left, is knocked out of bounds just short of a touchdown by Baltimore Ravens cornerback Jimmy Smith during the first half of an NFL football game in Baltimore, Sunday, Dec. 16, 2012. (AP Photo/Gail Burton)

St. Louis Rams wide receiver Brian Quick, rear, catches a 4-yard touchdown pass as Minnesota Vikings cornerback Josh Robinson (21) defends during the second quarter of an NFL football game Sunday, Dec. 16, 2012, in St. Louis. (AP Photo/Seth Perlman)

Houston Texans running back Arian Foster (23) rushes for a gain as Indianapolis Colts cornerback Vontae Davis, right, defends in the third quarter of an NFL football game on Sunday, Dec. 16, 2012, in Houston. (AP Photo/Eric Gay)

Denver Broncos running back Knowshon Moreno runs in to the end zone for a touchdown during the second half of an NFL football game against the Baltimore Ravens in Baltimore, Sunday, Dec. 16, 2012. (AP Photo/Nick Wass)

New Orleans Saints wide receiver Lance Moore (16) celebrates his touchdown reception with tight end Jimmy Graham (80) in the first half of an NFL football game at the Mercedes-Benz Superdome in New Orleans, Sunday, Dec. 16, 2012. (AP Photo/Bill Haber)

Denver Broncos wide receiver Eric Decker pulls in a touchdown pass as Baltimore Ravens cornerback Cary Williams looks on during the second half of an NFL football game in Baltimore, Sunday, Dec. 16, 2012. (AP Photo/Nick Wass)

Washington Redskins running back Alfred Morris celebrates after scoring on a 3-yard touchdown run against the Cleveland Browns in the third quarter of an NFL football game in Cleveland, Sunday, Dec. 16, 2012. (AP Photo/Rick Osentoski)

Green Bay Packers wide receiver Randall Cobb (18) is tackled by Chicago Bears cornerback D.J. Moore (30) in the first half of an NFL football game in Chicago, Sunday, Dec. 16, 2012. (AP Photo/Nam Y. Huh)

St. Louis Rams running back Steven Jackson, right, runs for a 15-yard gain as Minnesota Vikings free safety Harrison Smith gives chase during the first quarter of an NFL football game Sunday, Dec. 16, 2012, in St. Louis. (AP Photo/Seth Perlman)

Buffalo Bills running back C.J. Spiller (28) is tackled by Seattle Seahawks free safety Earl Thomas (29) and outside linebacker K.J. Wright (50) during the first half of an NFL football game, Sunday, Dec. 16, 2012, in Toronto. (AP Photo/Mike Groll)

Detroit Lions wide receiver Calvin Johnson (81) makes a catch as Arizona Cardinals cornerback Patrick Peterson (21) defends during the first half of an NFL football game on Sunday, Dec. 16, 2012, in Glendale, Ariz. (AP Photo/Paul Connors)

Washington Redskins running back Alfred Morris (46) is tripped by Cleveland Browns cornerback Tashaun Gipson in the fourth quarter of an NFL football game in Cleveland, Sunday, Dec. 16, 2012. Morris rushed for 87 yards and two touchdowns in the Redskins' 38-21 win.(AP Photo/Rick Osentoski)

Atlanta Falcons wide receiver Julio Jones (11) runs as Atlanta Falcons cornerback Robert McClain (27) makes the tackle during the second half of an NFL football game on Sunday, Dec. 16, 2012, in Atlanta. (AP Photo/Rich Addicks)

Cleveland Browns wide receiver Travis Benjamin (80) catches a pass in front of Washington Redskins cornerback DJ Johnson (30) and goes 69 yards for a touchdown in the fourth quarter of an NFL football game on Sunday, Dec. 16, 2012, in Cleveland. (AP Photo/Tony Dejak)

Indianapolis Colts running back Vick Ballard (33) rushes for a gain as Houston Texans' Glover Quin (29) and Darryl Sharpton (51) pursue in the third quarter of an NFL football game on Sunday, Dec. 16, 2012, in Houston. (AP Photo/Dave Einsel)

Dallas Cowboys wide receiver Dez Bryant (88) celebrates his touchdown against the Pittsburgh Steelers with Lawrence Vickers (47) during the second half of an NFL football game Sunday, Dec. 16, 2012 in Arlington, Texas. (AP Photo/Tony Gutierrez)

Arizona Cardinals' Patrick Peterson, left, intercepts a pass intended for Detroit Lions' Calvin Johnson, right, during the first half in an NFL football game on Sunday, Dec. 16, 2012, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Arizona Cardinals' Rashad Johnson (49) returns an interception for a touchdown against the Detroit Lions during the first half in an NFL football game on Sunday Dec. 16, 2012, in Glendale, Ariz.(AP Photo/Ross D. Franklin)

San Diego Chargers' Quentin Jammer and Eric Weddle watch as Carolina Panthers' DeAngelo Williams(34) and Cam Newton(1) celebrate their 45 yard touchdown pass during the first half of a NFL football game Sunday, Dec. 16, 2012, in San Diego. (AP Photo/Gregory Bull)

Carolina Panthers running back DeAngelo Williams cruises into the end zone with a 45 yard touchdown reception against the San Diego Chargers during the first half of a NFL football game Sunday, Dec. 16, 2012, in San Diego. (AP Photo/Gregory Bull)

Pittsburgh Steelers tight end Heath Miller (83) runs in a touchdown as Dallas Cowboys outside linebacker Anthony Spencer (93) defends during the first half of an NFL football game Sunday, Dec. 16, 2012 in Arlington, Texas. (AP Photo/Tony Gutierrez)

Detroit Lions wide receiver Calvin Johnson (81) is tackled by Arizona Cardinals strong safety Rashad Johnson (49) and Daryl Washington during the first half of an NFL football game on Sunday, Dec. 16, 2012, in Glendale, Ariz. (AP Photo/Paul Connors)

Oakland Raiders defensive back Joselio Hanson (23) celebrates after intercepting Kansas City Chiefs quarterback Brady Quinn during the second quarter of an NFL football game in Oakland, Calif., Sunday, Dec. 16, 2012. (AP Photo/Marcio Jose Sanchez)

Green Bay Packers wide receiver James Jones (89) scores a touchdown during a Week 15 game against the Chicago Bears at Soldier Field in Chicago, IL on Dec. 16, 2012 (Todd Rosenberg/NFL)

San Francisco 49ers cornerback Tarell Brown, right, breaks up a pass in the end zone intended for New England Patriots wide receiver Deion Branch (84) in the second quarter of an NFL football game in Foxborough, Mass., Sunday, Dec. 16, 2012. (AP Photo/Elise Amendola)