Cincinnati Bengals free safety Reggie Nelson (20) celebrates after making an interception during the first half of an NFL football game against the Denver Broncos on Monday, Dec. 22, 2014, in Cincinnati. (AP Photo/Michael Conroy)

Cincinnati Bengals wide receiver Dane Sanzenbacher is tackled by Denver Broncos free safety Rahim Moore (26) during the first half of an NFL football game Monday, Dec. 22, 2014, in Cincinnati. (AP Photo/Michael Conroy)

Cincinnati Bengals running back Jeremy Hill (32) runs 85 yards for a touchdown during the first half of an NFL football game against the Denver Broncos on Monday, Dec. 22, 2014, in Cincinnati. (AP Photo/AJ Mast)

Denver Broncos' Aqib Talib (21) runs back an interception 33 yards for a touchdown during the first half of an NFL football game against the Cincinnati Bengals on Monday, Dec. 22, 2014, in Cincinnati. (AP Photo/AJ Mast)

Dallas Cowboys wide receiver Dez Bryant (88) leaps onto center Travis Frederick (72) as they celebrate a touchdown catch by Bryant against the Indianapolis Colts during the first half of an NFL football game, Sunday, Dec. 21, 2014, in Arlington, Texas. (AP Photo/Tim Sharp)

Dallas Cowboys wide receiver Cole Beasley, left, is congratulated on his touchdown catch by Terrance Williams, center, and Travis Frederick (72) during the first half of an NFL football game against the Indianapolis Colts, Sunday, Dec. 21, 2014, in Arlington, Texas. (AP Photo/Brandon Wade)

Carolina Panthers' Cam Newton speaks to the media after an NFL football game against the Cleveland Browns in Charlotte, N.C., Sunday, Dec. 21, 2014. The Panthers won 17-13. (AP Photo/Bob Leverone)

Oakland Raiders wide receiver Kenbrell Thompkins (85) celebrates after catching a 50-yard pass against the Buffalo Bills during the first quarter of an NFL football game in Oakland, Calif., Sunday, Dec. 21, 2014. (AP Photo/Marcio Jose Sanchez)

Dallas Cowboys wide receiver Dez Bryant (88) reaches up to grab a touchdown pass over Indianapolis Colts cornerback Greg Toler (28) during the first half of an NFL football game, Sunday, Dec. 21, 2014, in Arlington, Texas. (AP Photo/Tim Sharp)

Miami Dolphins defensive end Terrence Fede (78) is mobbed by teammates after he blocked a punt by Minnesota Vikings punter Jeff Locke resulting in a safety to break a tie during the second half of an NFL football game, Sunday, Dec. 21, 2014 in Miami Gardens, Fla. The Dolphins defeated the Vikings 37-35. Others from left, Damien Williams, Dion Jordan and Jordie Tripp. (AP Photo/Wilfredo Lee)

Cleveland Browns' Jordan Poyer (33) tries to intercept a pass intended for Carolina Panthers' Kelvin Benjamin (13) in the second half of an NFL football game in Charlotte, N.C., Sunday, Dec. 21, 2014. The Panthers won 17-13. (AP Photo/Bob Leverone)

Houston Texans defensive end J.J. Watt (99) celebrates after sacking Baltimore Ravens quarterback Joe Flacco during the second half of an NFL football game Sunday, Dec. 21, 2014, in Houston. (AP Photo/Patric Schneider)

Green Bay Packers quarterback Aaron Rodgers (12) gives the thumbs up to fans as he leaves the field following the team's 20-3 win over the Tampa Bay Buccaneers during an NFL football game Sunday, Dec. 21, 2014, in Tampa, Fla. (AP Photo/Phelan M. Ebenhack)

Houston Texans defensive end J.J. Watt (99) celebrates after sacking Baltimore Ravens quarterback Joe Flacco during the second half of an NFL football game Sunday, Dec. 21, 2014, in Houston. (AP Photo/David J. Phillip)

Pittsburgh Steelers defensive end Brett Keisel (99) celebrates as he walks off the field following a 20-12 win over the Kansas City Chiefs in an NFL football game in Pittsburgh, Sunday, Dec. 21, 2014. (AP Photo/Don Wright)

Washington Redskins punter Tress Way (5) celebrates after kicking the game winning field goal during an NFL football game between the Philadelphia Eagles against the Washington Redskins at FedEx Field on Saturday December 20, 2014 in Landover, Maryland. (Aaron M. Sprecher/NFL)

Green Bay Packers wide receiver Randall Cobb (18) gets past Tampa Bay Buccaneers middle linebacker Dane Fletcher (50) after a reception during the third quarter of an NFL football game Sunday, Dec. 21, 2014, in Tampa, Fla. Cobb had 131 receiving yards in the Packers' 20-3 win. (AP Photo/Phelan M. Ebenhack)

Dallas Cowboys' Terrance Williams (83) provides running room for running back DeMarco Murray (29) during the first half of an NFL football game against the Indianapolis Colts, Sunday, Dec. 21, 2014, in Arlington, Texas. (AP Photo/Tim Sharp)

Dallas Cowboys team owner Jerry Jones speaks with Willie Robertson from the T.V. series "Duck Dynasty" during team warm ups before an NFL football game against the Indianapolis Colts, Sunday, Dec. 21, 2014, in Arlington, Texas. (AP Photo/Brandon Wade)

New York Giants wide receiver Odell Beckham Jr., right, runs with the ball as St. Louis Rams cornerback Janoris Jenkins defends during the first half of an NFL football game Sunday, Dec. 21, 2014, in St. Louis. (AP Photo/Charlie Riedel)

A member of the St. Louis Rams is introduced before an NFL football game between the St. Louis Rams and the New York Giants, Sunday, Dec. 21, 2014, in St. Louis. (AP Photo/Charlie Riedel)

Minnesota Vikings running back Matt Asiata (44) scores a touchdown as Miami Dolphins defensive end Olivier Vernon (50) defends, during the second half of an NFL football game, Sunday, Dec. 21, 2014, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

A Houston Texans cheerleader performs during the second half of an NFL football game against the Baltimore Ravens Sunday, Dec. 21, 2014, in Houston. (AP Photo/Patric Schneider)

Tampa Bay Buccaneers cheerleader Cassie dances before an NFL football game against the Green Bay Packers Sunday, Dec. 21, 2014, in Tampa, Fla. Cassie will represent the Buccaneers as a cheerleader at the Pro-Bowl. (AP Photo/Chris O'Meara)

Miami Dolphins wide receiver Mike Wallace (11) scores a touchdown as Minnesota Vikings free safety Harrison Smith (22) is late with the tackle during the second half of an NFL football game, Sunday, Dec. 21, 2014, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Baltimore Ravens wide receiver Steve Smith (89) celebrates his touchdown reception against the Houston Texans during the second half of an NFL football game Sunday, Dec. 21, 2014, in Houston. (AP Photo/Patric Schneider)

Pittsburgh Steelers wide receiver Antonio Brown (84) is tackled by Kansas City Chiefs strong safety Ron Parker (38) during the second half of an NFL football game in Pittsburgh, Sunday, Dec. 21, 2014. (AP Photo/Don Wright)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) looks to throw a 3-yard touchdown pass to wide receiver Antonio Brown during the second half of an NFL football game against the Kansas City Chiefs in Pittsburgh, Sunday, Dec. 21, 2014. The pass found Brown in the end zone for a touchdown and Roethlisberger injured his right knee on the play. (AP Photo/Don Wright)

Pittsburgh Steelers wide receiver Antonio Brown (84) celebrates his 3-yard touchdown catch from quarterback Ben Roethlisberger during second half of an NFL football game against the Kansas City Chiefs in Pittsburgh, Sunday, Dec. 21, 2014. (AP Photo/Don Wright)

Atlanta Falcons wide receiver Julio Jones (11) is tackled by New Orleans Saints defensive back Pierre Warren (42) in the second half of an NFL football game in New Orleans, Sunday, Dec. 21, 2014. (AP Photo/Bill Haber)

Pittsburgh Steelers inside linebacker Vince Williams (98) celebrates with linebacker Ryan Shazier (50) after recovering a fumble by Kansas City Chiefs running back Jamaal Charles (25) during the second half of an NFL football game in Pittsburgh, Sunday, Dec. 21, 2014. (AP Photo/Don Wright)

New York Jets running back Chris Ivory (33) breaks a tackle by New England Patriots' Chandler Jones (95) and Dont'a Hightower (54) during the first half of an NFL football game Sunday, Dec. 21, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Houston Texans quarterback Case Keenum (7) celebrates after leading his team to a touchdown during an NFL football game against the Baltimore Ravens at NRG Stadium on Sunday December 21, 2014 in Houston, Texas. (Aaron M. Sprecher/NFL)

Chicago Bears' Sherrick McManis (27) recovers the ball after Detroit Lions' Jeremy Ross (12) muffed the catch on a Bears punt in the first half of an NFL football game Sunday, Dec. 21, 2014, in Chicago. (AP Photo/Charles Rex Arbogast)

Kansas City Chiefs running back De'Anthony Thomas (13) is tackled by Pittsburgh Steelers defensive back Ross Ventrone (35) during the first half of an NFL football game in Pittsburgh, Sunday, Dec. 21, 2014. (AP Photo/Don Wright)

Detroit Lions cornerback Darius Slay (23) and safety Glover Quin (27) break up a pass intended for Chicago Bears' Eben Britton (62) in the first half of an NFL football game Sunday, Dec. 21, 2014, in Chicago. (AP Photo/Charles Rex Arbogast)

Green Bay Packers free safety Ha Ha Clinton-Dix (21) knocks the ball away from Tampa Bay Buccaneers wide receiver Mike Evans (13) on a pass attempt during the second quarter of an NFL football game Sunday, Dec. 21, 2014, in Tampa, Fla. (AP Photo/Phelan M. Ebenhack)

Houston Texans cornerback Kareem Jackson (25) celebrates his interception against Baltimore Ravens quarterback Joe Flacco (5) during the first half of an NFL football game Sunday, Dec. 21, 2014, in Houston. (AP Photo/David J. Phillip)

Atlanta Falcons wide receiver Eric Weems (14) celebrates his touchdown with wide receiver Harry Douglas (83) in the first half of an NFL football game against the New Orleans Saints in New Orleans, Sunday, Dec. 21, 2014. (AP Photo/Rogelio Solis)

Pittsburgh Steelers running back Le'Veon Bell (26) celebrates his 1-yard touchdown run during the first half of an NFL football game against the Kansas City Chiefs in Pittsburgh, Sunday, Dec. 21, 2014. (AP Photo/Don Wright)

Green Bay Packers running back Eddie Lacy (27) outruns Tampa Bay Buccaneers strong safety Bradley McDougald (30) to the end zone on a 44-yard touchdown run during the first quarter of an NFL football game, Sunday, Dec. 21, 2014, in Tampa, Fla. (AP Photo/Brian Blanco)

Pittsburgh Steelers running back Le'Veon Bell (26) is tackled by Kansas City Chiefs defensive end Jaye Howard (96) during the first half of an NFL football game in Pittsburgh, Sunday, Dec. 21, 2014. (AP Photo/Don Wright)

New York Jets inside linebacker David Harris (52) tackles New England Patriots' Rob Gronkowski (87) during the first half of an NFL football game Sunday, Dec. 21, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Detroit Lions quarterback Matthew Stafford (9) celebrates a touchdown withrunning back Reggie Bush (21) in the first half of an NFL football game against the Chicago Bears Sunday, Dec. 21, 2014, in Chicago. (AP Photo/Nam Y. Huh)

Detroit Lions running back Reggie Bush (21) dives into the end zone for a touchdown against Chicago Bears safety Brock Vereen (45) in the first half of an NFL football game Sunday, Dec. 21, 2014, in Chicago. (AP Photo/Charles Rex Arbogast)

New York Jets center Nick Mangold (74) wears an NYPD hat as he waits to go on the field for the start of an NFL football game against the New England Patriots, Sunday, Dec. 21, 2014, in East Rutherford, N.J. (AP Photo/Julio Cortez)

New Orleans Saints running back Mark Ingram (22) celebrates his touchdown on the opening kickoff in the first half of an NFL football game against the Atlanta Falcons in New Orleans, Sunday, Dec. 21, 2014. (AP Photo/Bill Haber)

Chicago Bears defensive end Jared Allen (69) celebrates with defensive tackle Jeremiah Ratliff (90) after sacking Detroit Lions quarterback Matthew Stafford in the first half of an NFL football game Sunday, Dec. 21, 2014, in Chicago. (AP Photo/Nam Y. Huh)

Carolina Panthers' Cam Newton (1) runs through the tunnel to the field before an NFL football game against the Cleveland Browns in Charlotte, N.C., Sunday, Dec. 21, 2014. (AP Photo/Chuck Burton)

Former NBA player Dikembe Mutombo, left, does his signature finger wave with Houston Texans defensive end J.J. Watt before an NFL football game, against the Baltimore Ravens Sunday, Dec. 21, 2014, in Houston. (AP Photo/David J. Phillip)

Washington Redskins quarterback Robert Griffin III (10) celebrates after leading his team to a touchdown during an NFL football game against the Philadelphia Eagles at FedEx Field on Saturday December 20, 2014 in Landover, Maryland. Washington won 27-24. (Aaron M. Sprecher/NFL)

San Diego Chargers tight end Ladarius Green (89), San Diego Chargers tight end John Phillips (83) and San Diego Chargers punter Mat McBriar (1) celebrate during the NFL regular season game against the San Diego Chargers and the San Francisco 49ers on Saturday, Dec. 20, 2014 at the Levi's Stadium in Santa Clara, Calif. (Ric Tapia/NFL)

Washington Redskins quarterback Robert Griffin III smiles on the sideline after the Redskins defeated the Philadelphia Eagles 27-24 in an NFL football game Saturday, Dec. 20, 2014, in Landover, Md. (AP Photo/Patrick Semansky)

San Francisco 49ers wide receiver Anquan Boldin (81) is tackled by San Diego Chargers inside linebacker Manti Te'o (50) and defensive back Brandon Flowers during the first quarter of an NFL football game in Santa Clara, Calif., Saturday, Dec. 20, 2014. (AP Photo/Ben Margot)

San Francisco 49ers defensive back Perrish Cox, right, celebrates with outside linebacker Nick Moody after intercepting a pass by San Diego Chargers quarterback Philip Rivers during the first quarter of an NFL football game in Santa Clara, Calif., Saturday, Dec. 20, 2014. (AP Photo/Marcio Jose Sanchez)

San Diego Chargers defensive back Brandon Flowers (26) breaks up a pass intended for San Francisco 49ers wide receiver Brandon Lloyd during the first quarter of an NFL football game in Santa Clara, Calif., Saturday, Dec. 20, 2014. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Anquan Boldin (81) is tackled by San Diego Chargers defensive back Brandon Flowers (26) during the first quarter of an NFL football game in Santa Clara, Calif., Saturday, Dec. 20, 2014. (AP Photo/Ben Margot)

San Francisco 49ers quarterback Colin Kaepernick (7) runs the ball during an NFL football game between the San Diego Chargers and the San Francisco 49ers in Santa Clara, Calif. at Levi Stadium, Saturday, Dec. 20, 2014. (Ric Tapia/NFL)

San Diego Chargers running back Branden Oliver, center, falls as he is tackled by San Francisco 49ers strong safety Antoine Bethea (41) and defensive back Chris Culliver, right, during the first half of an NFL football game in Santa Clara, Calif., Saturday, Dec. 20, 2014. (AP Photo/Ben Margot)

San Diego Chargers tight end Antonio Gates (85) scores on a 1-yard touchdown reception past San Francisco 49ers defensive back Chris Culliver (29) during the third quarter of an NFL football game in Santa Clara, Calif., Saturday, Dec. 20, 2014. (AP Photo/Marcio Jose Sanchez)

San Diego Chargers wide receiver Eddie Royal (11) stiff arms San Francisco 49ers defensive back Chris Culliver (29) during the third quarter of an NFL football game in Santa Clara, Calif., Saturday, Dec. 20, 2014. (AP Photo/Marcio Jose Sanchez)

San Diego Chargers wide receiver Malcom Floyd (80) celebrates after catching an 11-yard touchdown reception with wide receiver Eddie Royal during the fourth quarter of an NFL football game against the San Francisco 49ers in Santa Clara, Calif., Saturday, Dec. 20, 2014. (AP Photo/Marcio Jose Sanchez)

San Diego Chargers inside linebacker Manti Te'o, right, and free safety Eric Weddle celebrate after the Chargers beat the San Francisco 49ers in an NFL football game in Santa Clara, Calif., Saturday, Dec. 20, 2014. The Chargers won 38-35 in overtime. (AP Photo/Ben Margot)

San Diego Chargers free safety Eric Weddle (32) and San Diego Chargers quarterback Philip Rivers (17) celebrate after the NFL regular season game against the San Diego Chargers and the San Francisco 49ers on Saturday, Dec. 20, 2014 at the Levi's Stadium in Santa Clara, Calif. (Ric Tapia/NFL)

Philadelphia Eagles quarterback Mark Sanchez (3) fumbles the ball during an NFL football game between the Philadelphia Eagles against the Washington Redskins at FedEx Field on Saturday December 20, 2014 in Landover, Maryland. (Aaron M. Sprecher/NFL)

Philadelphia Eagles running back LeSean McCoy (25) carries the ball into the end zone for a touchdown under pressure from Washington Redskins cornerback Bashaud Breeland (26) during the first half of an NFL football game in Landover, Md., Saturday, Dec. 20, 2014. (AP Photo/Patrick Semansky)

Washington Redskins running back Alfred Morris (46) scores a touchdown during an NFL football game between the Philadelphia Eagles against the Washington Redskins at FedEx Field on Saturday December 20, 2014 in Landover, Maryland. (Aaron M. Sprecher/NFL)

Philadelphia Eagles running back LeSean McCoy (25) celebrates his touchdown during the first half of an NFL football game against the Washington Redskins in Landover, Md., Saturday, Dec. 20, 2014. (AP Photo/Patrick Semansky)

A Washington Redskins cheerleader cheers on her team during an NFL football game against the Philadelphia Eagles at FedEx Field on Saturday December 20, 2014 in Landover, Maryland. (Aaron M. Sprecher/NFL)

Philadelphia Eagles quarterback Mark Sanchez (3) celebrates during an NFL football game between the Philadelphia Eagles against the Washington Redskins at FedEx Field on Saturday December 20, 2014 in Landover, Maryland. (Aaron M. Sprecher/NFL)

Philadelphia Eagles wide receiver Riley Cooper (14) pulls in a touchdown under pressure from Washington Redskins free safety E.J. Biggers (30) during the second half of an NFL football game in Landover, Md., Saturday, Dec. 20, 2014. (AP Photo/Patrick Semansky)

Washington Redskins kicker Kai Forbath (2) boots a field goal during the second half of an NFL football game against the Philadelphia Eagles in Landover, Md., Saturday, Dec. 20, 2014, to give the Redskins a 27-24 victory over the Eagles. (AP Photo/Mark Tenally)

Seattle Seahawks running back Marshawn Lynch (24) fights through Arizona Cardinals defensive end Tommy Kelly (95) on his touchdown run during the first half of an NFL football game, Sunday, Dec. 21, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

Arizona Cardinals wide receiver John Brown (12) can't make the catch in the end zone against the Seattle Seahawks during the first half of an NFL football game, Sunday, Dec. 21, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Seattle Seahawks tight end Luke Willson celebreats his touchdown as Jermaine Kearse (15) looks on during the first half of an NFL football game against the Arizona Cardinals, Sunday, Dec. 21, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

Arizona Cardinals wide receiver Michael Floyd (15) is unable to make the catch as Seattle Seahawks cornerback Richard Sherman (25) defends during the first half of an NFL football game, Sunday, Dec. 21, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

Dallas Cowboys head coach Jason Garrett is doused by Dallas Cowboys' Jeremy Mincey, center and quarterback Tony Romo, right, after their 42-7 win over the Indianapolis Colts in an NFL football game, Sunday, Dec. 21, 2014, in Arlington, Texas. The Cowboys won 42-7. (AP Photo/Brandon Wade)

Dallas Cowboys wide receiver Terrance Williams (83) reels in a pass in front of Indianapolis Colts' Greg Toler (28) during the second half of an NFL football game, Sunday, Dec. 21, 2014, in Arlington, Texas. Williams scored a touchdown on the play. (AP Photo/Tim Sharp)

Oakland Raiders running back Darren McFadden (20) runs against Buffalo Bills strong safety Da'Norris Searcy (25) and outside linebacker Nigel Bradham (53) during the third quarter of an NFL football game in Oakland, Calif., Sunday, Dec. 21, 2014. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders fullback Marcel Reece (45) enters the field before the NFL regular season game against the Buffalo Bills and the Oakland Raiders on Sunday, Dec. 21, 2014 at the O.co Coliseum in Oakland, Calif. (Ric Tapia/NFL)