San Francisco 49ers outside linebacker Aldon Smith (99) celebrates his sack of Arizona Cardinals quarterback John Skelton with Parys Haralson during the second half of an NFL football game, Monday, Oct. 29, 2012, in Glendale, Ariz. (AP Photo/Matt York)

Washington Redskins quarterback Robert Griffin III celebrates during a game against the New Orleans Saints at the Mercedes-Benz Superdome on September 9, 2012 in New Orleans, Louisiana. (Aaron M. Sprecher/NFL)

Baltimore Ravens running back Ray Rice, center, celebrates his touchdown with Torrey Smith, left, and Marshal Yanda in the first half of an NFL football game against the Cincinnati Bengals in Baltimore, Monday, Sept. 10, 2012. (AP Photo/Nick Wass)

Carolina Panthers quarterback Cam Newton (1) celebrates his touchdown against the Tampa Bay Buccaneers. The Panthers defeated the Buccaneers 38-19 in an NFL game Sunday, December 4, 2011, in Tampa,Fla. (AP Photo/Margaret Bowles)

New York Giants defensive end Osi Umenyiora celebrates after an NFL wild card playoff football game against the Atlanta Falcons Sunday, Jan. 8, 2012, in East Rutherford, N.J. The Giants defeated the Falcons 24-2. (AP Photo/Matt Slocum)

San Francisco 49ers tight end Vernon Davis (85) celebrates after scoring on a 49-yard touchdown reception during the first quarter of an NFL divisional playoff football game against the New Orleans Saints on Saturday, Jan. 14, 2012, in San Francisco. (AP Photo/Paul Sakuma)

New York Giants place holder Steve Weatherford (5) celebrates after his team scored a game winning field field during overtime of the NFC Championship NFL football game Sunday, Jan. 22, 2012, in San Francisco. The Giants won 20-17 to advance to Super Bowl XLVI. (AP Photo/David J. Phillip)

New York Giants wide receiver Victor Cruz (80) dances to celebrate his touchdown during the first half of the NFL Super Bowl XLVI football game against the New England Patriots, Sunday, Feb. 5, 2012, in Indianapolis. (AP Photo/Elise Amendola)

Atlanta Falcons free safety Thomas DeCoud (28) and cornerback Brent Grimes (20) celebrate after their team recovered a fumble during the first half of a preseason NFL football game against the Jacksonville Jaguars in Jacksonville, Fla., Thursday, Aug. 30, 2012. (AP Photo/Phelan M. Ebenhack)

Cincinnati Bengals wide receiver Jerome Simpson (89) celebrates after scoring a touchdown against Arizona Cardinals linebacker Daryl Washington (58) during the first half of an NFL football game, Saturday, Dec. 24, 2011, in Cincinnati. (AP Photo/Darron Cummings)

New York Jets' LaDainian Tomlinson celebrates his touchdown during the second quarter of a NFL football game against the Kansas City Chiefs, Sunday, Dec. 11, 2011, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants' Justin Tuck celebrates a sack during the third quarter of an NFL football game between the New York Giants and the New York Jets, Saturday, Dec. 24, 2011, in East Rutherford, N.J. (AP Photo/Julio Cortez)

New Orleans Saints quarterback Drew Brees (9) celebrates with offensive guard Carl Nicks (77) and tackle Zach Strief (64) after throwing a touchdown pass and breaking the league record for single-season passing yardage, held by Dan Marino, in the fourth quarter of an NFL football game against the Atlanta Falcons in New Orleans, Monday, Dec. 26, 2011. (AP Photo/Rusty Costanza)

New England Patriots defensive back Sergio Brown (31) and cornerback Devin McCourty (32) celebrate a good defensive play as free safety Patrick Chung (25) trots by during an NFL football game against Buffalo Bills at Gillette Stadium in Foxborough, Mass. Sunday, Jan. 1, 2012. The Patriots won 49-21 to clinch the number one seed in the AFC. (AP Photo/Elise Amendola)

Minnesota Vikings defensive end Jared Allen (69) celebrates his Vikings record in sacks with Vikings outside linebacker Chad Greenway (52) after sacking Chicago Bears quarterback Josh McCown (15) in the second half of an NFL football game in Minneapolis, Sunday, Jan. 1, 2012. (AP Photo/Andy King)

New England Patriots tight end Rob Gronkowski (87) spikes the ball to celebrate his touchdown during an NFL football game against the Buffalo Bills at Gillette Stadium in Foxborough, Mass. Sunday, Jan. 1, 2012. The Patriots won 49-21 to clinch the number one seed in the AFC. (AP Photo/Elise Amendola)

FILE - In this Jan. 7, 2012 file photo, Detroit Lions wide receiver Calvin Johnson celebrates after scoring during the first half of an NFL wild card playoff football game against the New Orleans Saints, The Lions have signed Johnson to a new eight-year contract worth up to $132 million, making him the highest paid receiver in the NFL. The team announced the signing Wednesday, March 14, 2012. (AP Photo/Bill Haber, File)

New York Giants wide receiver Hakeem Nicks celebrates after scoring on a 72-yard touchdown pass against the Atlanta Falcons during the second half of an NFL wild card playoff football game Sunday, Jan. 8, 2012, in East Rutherford, N.J. Left is Atlanta Falcons defensive end Kroy Biermann (71). (AP Photo/Matt Slocum)

Detroit Lions tight end Brandon Pettigrew (84) celebrates his 10-yard touchdown reception against the New York Jets as wide receiver Nate Burleson jumps onto him in the first quarter of an NFL football game in Detroit on Sunday, Nov. 7, 2010. (AP Photo/Paul Sancya)

Houston Texans wide receiver Jacoby Jones reacts after scoring a touchdown from a seven-yard pass during the fourth quarter of an NFL football game against the Baltimore Ravens Monday, Dec. 13, 2010, in Houston. (AP Photo/Dave Einsel)

New Orleans Saints receiver Devery Henderson (19) celebrates with Jeremy Shockey (88) after scoring a first-quarter touchdown during the NFL football season opener against the Minnesota Vikings at the Louisiana Superdome in New Orleans on Thursday, Sept. 9, 2010. (AP Photo/Dave Martin)

Washington Redskins cornerback DeAngelo Hall (23) celebrates with Brian Orakpo (98) after Hall intercepted a Chicago Bears pass in the second half of an NFL football game in Chicago, Sunday, Oct. 24, 2010. The Redskins won 17-14. (AP Photo/Charles Rex Arbogast)

Cincinnati Bengals wide receiver Terrell Owens celebrates after scoring on a 19-yard pass reception in the first half of an NFL football game against the Pittsburgh Steelers, Monday, Nov. 8, 2010, in Cincinnati. (AP Photo/Ed Reinke)

Philadelphia Eagles running back LeSean McCoy celebrates after scoring against the Washington Redskins during the first half of an NFL football game, Monday, Nov. 15, 2010, in Landover, Md. (AP Photo/Nick Wass)

Seattle Seahawks' Aaron Curry celebrates after the 41-36 win over the New Orleans Saints of an NFL NFC wild card playoff football game, Saturday, Jan. 8, 2011, in Seattle. AP Photo/John Froschauer)

New York Jets quarterback Mark Sanchez celebrates his touchdown pass to Santonio Holmes during the second half of an NFL divisional playoff football game against the New England Patriots in Foxborough, Mass., Sunday, Jan. 16, 2011. (AP Photo/Winslow Townson)

Green Bay Packers' Nick Collins (36) celebrates with teammate Clay Matthews (52) after returning an interception for a touchdown during the first quarter of the NFL football Super Bowl XLV game against the Pittsburgh Steelers Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Paul Sancya)

New England Patriots running back Kevin Faulk celebrates his touchdown during the second quarter of a NFL football game against the Tennessee Titans at Gillette Stadium in Foxborough, Mass. Sunday, Oct. 18, 2009. (AP Photo/Winslow Townson)

Indianapolis Colts wide receiver Reggie Wayne celebrates after catching a 6-yard pass for a touchdown during the first quarter of an NFL football game against the St. Louis Rams, Sunday, Oct. 25, 2009, in St. Louis. (AP Photo/Tom Gannam)

San Francisco 49ers tight end Vernon Davis (85) celebrates his touchdown with teammate Eric Heitmann (66) during the fourth quarter of a NFL football game against the Houston Texans Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/David J. Phillip)

New York Jets quarterback Mark Sanchez celebrates after scoring on a rushing touchdown in the first quarter of an NFL football game against the Oakland Raiders in Oakland, Calif., Sunday, Oct. 25, 2009. (AP Photo/Ben Margot)

Indianapolis Colts cornerback Jacob Lacey (27) and teammate Melvin Bullitt celebrate after Lacey intercepted a pass and ran it back 35-yards for a touchdown during the third quarter of an NFL football game against the St. Louis Rams Sunday, Oct. 25, 2009, in St. Louis. (AP Photo/Jeff Roberson)

Chicago Bears tight end Desmond Clark celebrates after his touchdown reception against the Minnesota Vikings in the second half of an NFL football game in Chicago, Monday, Dec. 28, 2009. (AP Photo/Nam Y. Huh)

Tennessee Titans' Chris Johnson celebrates his touchdown in the fourth quarter against the Seattle Seahawks, Sunday, Jan. 3, 2010, during an NFL football game in Seattle. On Sunday, Johnson has become the sixth player in NFL history to rush for 2,000 yards in a season. (AP Photo/Elaine Thompson)

Dallas Cowboys running back Felix Jones celebrates as he runs in to the end zone for a touchdown in the second half of an NFL football game against the Philadelphia Eagles, Sunday, Jan. 3, 2010, in Arlington, Texas. The Cowboys won 24-0. (AP Photo/Mike Fuentes)

San Diego Chargers Mike Tolbert celebrates a touchdown during the fourth quarter of an NFL football game against the Washington Redskins Sunday Jan. 3, 2010 in San Diego. (AP Photo/Denis Poroy)

Dallas Cowboys wide receiver Miles Austin #19 celebrates with running back Felix Jones #28 after Jones scored a touchdown during the NFC Wildcard NFL game between the Philadelphia Eagles and the Dallas Cowboys on January 9th 2010. The Cowboys won 34-14 at Cowboys Stadium in Arlington, Texas. (AP Photo/Brian Garfinkel)

Green Bay Packers quarterback Aaron Rodgers (12) leaps and celebrates in the end zone with Packers tight end Spencer Havner (41) after Havner catches a fourth quarter touchdown pass that ties the score at 45-45 during the NFC Wild Card Game against the Arizona Cardinals, January 10, 2010 in Glendale, Arizona. The Cardinals won the game 51-45 in overtime. (AP Photo/Paul Spinelli)

New York Jets tight end Dustin Keller (81) celebrates his touchdown reception with teammate Brandon Moore (65) in the second quarter against the Indianapolis Colts during the AFC Championship NFL football game, Sunday, Jan. 24, 2010, in Indianapolis. (AP Photo/Darron Cummings)

Indianapolis Colts wide receiver Pierre Garcon (85) and wide receiver Austin Collie (17) celebrate a touchdown during Super Bowl XLIV at Sun Life Stadium in Miami Gardens, Fla. on Feb. 7, 2010. The Saints defeated the Colts 31-17. (Ben Liebenberg/NFL)

New Orleans Saints cornerback Tracy Porter (22) celebrates his interception return for a touchdown with linebacker Scott Shanle (58) and cornerback Malcolm Jenkins (27) during the second half of the NFL Super Bowl XLIV football game in Miami, Sunday, Feb. 7, 2010. The Saints won 31-17. (AP Photo/Paul Abell)

Minnesota Vikings quarterback Brett Favre celebrates a first quarter touchdown during an NFL football game against the Green Bay Packers at Lambeau Field in Green Bay, Wisconsin on November 1, 2009. The Vikings won 38-26. (Ben Liebenberg/NFL)

Tight end Alex Smith #81 of the Tampa Bay Buccaneers celebrates his touchdown catch against the Cincinnati Bengals with the mascot 'Captain Fear' on October 15, 2006 at Raymond James Stadium in Tampa, Florida. The Buccaneers defeated the Bengals 14-13. (Photo by Marc Serota/Getty Images)

Adrian Wilson #24 of the Arizona Cardinals is introduced before taking on the Seattle Seahawks on November 6, 2005 at Sun Devil Stadium in Phoenix, Arizona. The Seahawks defeated the Cardinals 33-19. (Photo by Lisa Blumenfeld/Getty Images)

EAST RUTHERFORD, NJ - SEPTEMBER 23: Kerry Rhodes #25 of the New York Jets jumps into the arms of David Bowens #96 after getting an interception against Trent Green of the Miami Dolphins on September 23, 2007 at Giants Stadium in East Rutherford, New Jersey. The Jets defeated the Dolphins 31-28. (Photo by Al Bello/Getty Images)

Andre Dyson #22 of the Tennessee Titans celebrates with Rocky Boiman #50, Samari Rolle #2 and other teammates after a touchdown during their game against the Cincinnati Bengals on October 31, 2004 at The Coliseum in Nashville, Tennessee. (Photo by Streeter Lecka/Getty Images)

Tight end Aaron Shea #83 of the Cleveland Browns is lifted into the air by offensive lineman L.J. Shelton #70 to celebrate Shea's touchdown in the first quarter against the Houston Texans on October 30, 2005 at Reliant Stadium in Houston, Texas. (Photo by Doug Benc/Getty Images)

Amani Toomer #81 of the New York Giants celebrates after scoring a touchdown during the second half of the game against the Philadelphia Eagles on September 17, 2006 at Lincoln Financial Field in Philadelphia, Pennsylvania. (Photo by Jamie Squire/Getty Images)

Brandon Lloyd #85 of the San Francisco 49ers celebrates after scoring a touchdown in the second quarter against the Houston Texans on January 1, 2006 at Monster Park in San Francisco, California. (Photo by Stephen Dunn/Getty Images)

Bernard Pollard #49 of the Kansas City Chiefs celebrates his touchdown off a blocked punt against the Jacksonville Jaguars on December 31, 2006 at Arrowhead Stadium in Kansas City, Missouri. (Photo by Dilip Vishwanat/Getty Images)

Chris Henry #15 and Chad Johnson #85 of the Cincinnati Bengals celebrate a second quarter touchdown against the Cleveland Browns on November 26, 2006 at Cleveland Browns Stadium in Cleveland, Ohio. (Photo by Gregory Shamus/Getty Images)

Wide receiver Deion Branch #83 of the Seattle Seahawks celebrates his touchdown reception in the first quarter against the Oakland Raiders at Qwest Field on November 6, 2006 in Seattle, Washington. (Photo by Otto Greule Jr/Getty Images)

Quarterback David Carr #8 of the Houston Texans celebrates while running for a touchdown against the Miami Dolphins at Reliant Stadium October 1, 2006 in Houston, Texas. (Photo by Ronald Martinez/Getty Images)

Tight end Dallas Clark #44 of the Indianapolis Colts celebrates his touchdown with tight end Marcus Pollard #81 by doing a little dance against the Houston Texans in the second quarter November 14, 2004 at the RCA Dome in Indianapolis, Indiana. Clark had two touchdowns in the Colts 49-14 win. (Photo by Brian Bahr/Getty Images)

Derrick Mason #85 of the Baltimore Ravens celebrates after scoring the game winning touchdown during the NFL game against the Tennessee Titans on November 12, 2006 at LP Field in Nashville, Tennessee. (Photo by Andy Lyons/Getty Images)

HinesWard #86 of the Pittsburgh Steelers drops to a knee in celebration of a touchdown to tie the score 20-20 against the New England Patriots during the fourth quarter at Heinz Field on September 25, 2005 in Pittsburgh, Pennsylvania. The Patriots won 23-20. (Photo by Harry How/Getty Images)

Jake Delhomme #17 of the Carolina Panthers celebrates with teammate Jordan Gross #69 after a DeShaun Foster touchdown late in the fourth quarter against the New Orleans Saints on October 1, 2006 at Bank of America Stadium in Charlotte, North Carolina. The Panthers defeated the Saints 21-18. (Photo by Streeter Lecka/Getty Images)

Justin Griffith #33 of the Atlanta Falcons celebrates his 21 yard third quarter touchdown against the Tampa Bay Buccaneers on December 10, 2006 at Raymond James Stadium in Tampa, Florida. The Falcons defeated the Buccaneers 17-6. (Photo by Doug Pensinger/Getty Images)

Teammates Jerry Porter #84 and Robert Gallery #76 of the Oakland Raiders celebrate a Porter touchdown against the Tennessee Titans during their game on October 30, 2005 at the Coliseum in Nashville, Tennessee. (Photo By Streeter Lecka)

Jerramy Stevens #86 of the Seattle Seahawks celebrates his touchdown with teammate Deion Branch #83 after a short pass by Matt Hasselbeck #8 in the third quarter of the NFC Wild Card Playoff Game against the Dallas Cowboys on January 6, 2007 at Qwest Field in Seattle, Washington. (Photo by Otto Greule Jr/Getty Images)

Javon Walker #84 of the Denver Broncos celebrates his 39 yard second quater touchdown reception against the Cincinnati Bengals with the front row fans on December 24, 2006 at Invesco Field at Mile High in Denver, Colorado. (Photo by Doug Pensinger/Getty Images)

Kevin Jones #34 of the Detroit Lions celebrates a touchdown with teammates against the Green Bay Packers on September 24, 2006 at Ford Field in Detroit, Michigan. The Packers defeated the Lions 31-24. (Photo by Jonathan Daniel/Getty Images)

Kirk Morrison #52 of the Oakland Raiders celebrates with fans after scoring a touchdown against the Houston Texans during the second quarter of an NFL game on December 3, 2006 at McAfee Coliseum in Oakland, California. (Photo by Stephen Dunn/Getty Images)

Laveranues Coles #87 of the New York Jets celebrates with teammate Anthony Clement #68 after scoring a touchdown against the Minnesota Vikings on December 17, 2006 at Hubert H. Humphrey Metrodome in Minneapolis, Minnesota. (Photo by Lisa Blumenfeld/Getty Images)

LaDanian Tomlinson #21 of the San Diego Chargers celebrates with teammates after breaking the NFL record for single season touchdowns with 29 (his third of the day) during the game against the Denver Broncos on December 10, 2006 at Qualcomm Stadium in San Diego, California. (Photo by Lisa Blumenfeld/Getty Images)

Marty Booker #86 of the Miami Dolphins celebrates a first quarter touchdown with teammate Randy McMichael #81 during a game against Detroit Lions on November 23, 2006 at Ford Field in Detroit, Michigan. (Photo By Gregory Shamus/Getty Images)

Jacksonville Jaguars running back Maurice Jones-Drew #32 celebrates after scoring a touchdown in second quarter action October 1, 2006 at FedEx Field in Landover, Maryland. (Photo by Win McNamee/Getty Images)

Muhsin Muhammad #87 of the Chicago Bears celebrates with teammate Desmond Clark #88 after scoring on a 4-yard touchdown pass in the first quarter of Super Bowl XLI against the Indianapolis Colts on February 4, 2007 at Dolphin Stadium in Miami Gardens, Florida. (Photo by Jed Jacobsohn/Getty Images)

Marcus Robinson #87 of the Minnesota Vikings celebrates a touchdown against the Washington Redskins with teammate Marcus Johnson #72 during the first Monday Night Football game of the season on September 11, 2006 at FedEx Field in Landover, Maryland. (Photo by Jamie Squire/Getty Images)

Marcel Shipp #31 and Larry Fitzgerald #11 both of the Arizona Cardinals celebrate a touchdown against the St. Louis Rams at the Edward Jones Dome on December 3, 2006 in St. Louis, Missouri. The Cardinals beat the Rams 34-20.(Photo by Dilip Vishwanat/Getty Images)

(R-L) Running back Michael Turner #33 of the San Diego Chargers and tight end Antonio Gates #85 celebrate after Turner scored a six yard touchdown in the second quarter against the New England Patriots in the second quarter of the AFC Divisional Playoff Game held on January 14, 2007 at Qualcomm Stadium in San Diego, California. (Photo by Harry How/Getty Images)

Dallas Cowboys receiver Patrick Crayton with a touchdown dance to the endzone. The Cowboys defeated the Arizona Cardinals 27 to 10 at Cardinal Stadium in Phoenix, AZ on November 12, 2006. Photo by Gregory R. Banner/WireImage.

Running back Reggie Bush #25 of the New Orleans Saints celebrates a touchdown after a challenge against the Dallas Cowboys in the third quarter at Texas Stadium on December 10, 2006 in Irving, Texas. (Photo by Ronald Martinez/Getty Images)

Rex Grossman #8, John Tait #76 and Fred Miller #69 of the Chicago Bears celebrate Grossman's 68-yard touchdown pass to Bernard Berrian #80 against the Seattle Seahawks during their NFC Divisional Playoff Game January 14, 2007 at Soldier Field in Chicago, Illinois. (Photo by Gregory Shamus/Getty Images)

Ruvell Martin #82 and Vernand Morency #34 of the Green Bay Packers celebrate after scoring a touchdown, to make it 7-3, in the first quarter against the San Francisco 49ers at Monster Park on December 10, 2006 in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

Steven Jackson #39 of the St. Louis Rams celebrates his 59 yard touchdown run with teammates Isaac Bruce #80 and Torry Holt #81 against the Minnesota Vikings on December 31, 2006 at the Hubert H. Humphrey Metrodome in Minneapolis, Minnesota. The Rams defeated the Vikings 41-21. (Photo by Elsa/Getty Images)

Washington Redskins wide receiver Santana Moss #89 celebrates after scoring a touchdown in fourth quarter action against the Jacksonville Jaguars October 1, 2006 at FedEx Field in Landover, Maryland. (Photo by Win McNamee/Getty Images)

Shaud Williams #36 celebrates with quarterback J.P. Losman #10 of the Buffalo Bills after Losman threw a 58-yard touchdown to Lee Evans #83 (not pictured) against the New York Jets on December 10, 2006 at Giants Stadium in East Rutherford, New Jersey. (Photo by Travis Lindquist/Getty Images)

Tony Gonzalez #88 and Jason Dunn #89 of the Kansas City Chiefs celebrate Gonzalez's touchdown catch in the fourth quarter against the Cleveland Browns at Cleveland Browns Stadium December 3, 2006 in Cleveland, Ohio. The Browns defeated the Chiefs 31-28 in overtime. (Photo by David Maxwell/Getty Images)

Thomas Jones #20 of the Chicago Bears celebrates his second quarter touchdown against the Seattle Seahawks during their NFC Divisional Playoff game on January 14, 2007 at Soldier Field in Chicago, Illinois. (Photo by Jonathan Daniel/Getty Images)

Vinny Testaverde #14 of the New England Patriots celebrates with with David Thomas #36 after throwing a touchdown pass against the Tennessee Titans during the NFL game on December 31, 2006 at LP Field in Nashville, Tennessee. Testaverde set an NFL record for throwing a touchdown in 20 straight seasons. (Photo by Andy Lyons/Getty Images)

Green Bay Packers wide receiver Donald Driver celebrates a touchdown after doing a Lambeau Leap during the second half of an NFL football game against the Jacksonville Jaguars, Sunday, Oct. 28, 2012, in Green Bay, Wis. The Packers won 24-15. (AP Photo/Mike Roemer)