Seattle Seahawks wide receiver Percy Harvin (11) returns a kickoff for an 87-yard touchdown during the NFL Super Bowl XLVIII football game against the Denver Broncos at MetLife Stadium on Sunday, Feb. 2, 2014, in East Rutherford, N.J. The Seahawks won the game 43-8. (Perry Knotts/NFL)

Seattle Seahawks head coach Pete Carroll celebrates after the NFL Super Bowl XLVIII football game against the Denver Broncos at MetLife Stadium on Sunday, Feb. 2, 2014, in East Rutherford, N.J. The Seahawks won the game 43-8. (Perry Knotts/NFL)

Seattle Seahawks outside linebacker Malcolm Smith (53) intercepts the ball and runs it back for a touchdown during the NFL Super Bowl XLVIII game against the Denver Broncos on Sunday, Feb. 2, 2014 in East Rutherford, N.J. The Seahawks won 43-8. (Ric Tapia/NFL)

Recording artiest Bruno Mars performs during halftime of Super Bowl XLVIII between the Seattle Seahawks and the Denver Broncos at Metlife Stadium on Sunday, Feb. 2, 2014, in East Rutherford, N.J. (AP Photo/Ben Liebenberg)

Denver Broncos quarterback Peyton Manning (18) is seen walking off the field after the Seattle Seahawks defeated the Broncos 43-6 in Super Bowl XLVIII at Metlife Stadium on Sunday, Feb. 2, 2014, in East Rutherford, N.J. (AP Photo/Ben Liebenberg)

Denver Broncos quarterback Peyton Manning is engulfed in confetti during the trophy ceremony after the AFC Championship NFL playoff football game in Denver, Sunday, Jan. 19, 2014. The Broncos defeated the Patriots 26-16 to advance to the Super Bowl. (AP Photo/Charlie Riedel, File)

Kansas City Chiefs running back Knile Davis, center, jumps in the end zone as he scores a touchdown against the San Diego Chargers during the first half of an NFL football game, Sunday, Dec. 29, 2013, in San Diego. (AP Photo/Lenny Ignelzi)

Carolina Panthers wide receiver Steve Smith (89) makes the catch against San Francisco 49ers cornerback Tarell Brown (25) for a touchdown during the first half of a divisional playoff NFL football game, Sunday, Jan. 12, 2014, in Charlotte, N.C. (AP Photo/Chuck Burton)

Baltimore Ravens quarterback Joe Flacco, left, hands the ball off to running back Ray Rice as snow falls in the first half of an NFL football game against the Minnesota Vikings, Sunday, Dec. 8, 2013, in Baltimore. (AP Photo/Nick Wass)

Carolina Panthers' Cam Newton (1) celebrates his touchdown pass against the Tampa Bay Buccaneers in the first half of an NFL football game in Charlotte, N.C., Sunday, Dec. 1, 2013. (AP Photo/Mike McCarn)

Pittsburgh Steelers cornerback Ike Taylor (24), defensive end Ziggy Hood (96), and outside linebacker Jarvis Jones (95) tackle Buffalo Bills wide receiver Marquise Goodwin (88) during the second half of an NFL football game, Sunday, Nov. 10, 2013, in Pittsburgh. Pittsburgh won 23-10. (AP Photo/Don Wright)

Chicago Bears cornerback Tim Jennings (26) runs for a touchdown after intercepting a pass by New York Giants quarterback Eli Manning in the first half of an NFL football game, Thursday, Oct. 10, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Sep 29, 2013; Nashville, TN, USA; Tennessee Titans mascot swallows a Titans cheerleader during a time out in a game against the New York Jets during the second half at LP Field. The Titans beat the Jets 38-13. (Don McPeak/USA TODAY Sports)

Dallas Cowboys wide receiver Dez Bryant (88) makes a touchdown reception as St. Louis Rams' Cortland Finnegan tumbles into the end zone during the first quarter of a NFL football game Sunday, Sept. 22, 2013, in Arlington, Texas. (AP Photo/LM Otero)

San Francisco 49ers quarterback Colin Kaepernick (7), right, dives to score a touchdown despite the challenge of Jacksonville Jaguars free safety Josh Evans (26) during the NFL football game between San Francisco 49ers and Jacksonville Jaguars at Wembley Stadium in London, Sunday, Oct. 27, 2013. (AP Photo/Sang Tan)

Indianapolis Colts quarterback Andrew Luck (12) dives for a touchdown after recovering a fumble by the Colts' Eric Berry during the second half of an NFL wild-card playoff football game against the Kansas City Chiefs Saturday, Jan. 4, 2014, in Indianapolis. (AP Photo/Michael Conroy)

Baltimore Ravens players leave the field as play was suspended for a severe thunderstorm blowing through Soldier Field during the first half of an NFL football game against the Chicago Bears, Sunday, Nov. 17, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Pittsburgh Steelers wide receiver Emmanuel Sanders (88) dives for the end zone and a touchdown past Cleveland Browns cornerback Leon McFadden (29) after catching a pass in the first quarter of an NFL football game on Sunday, Dec. 29, 2013, in Pittsburgh. (AP Photo/Don Wright)

Chicago Bears running back Matt Forte (22) runs into end zone for a touchdown as quarterback Jay Cutler (6) reacts during the second half of an NFL football game against the Green Bay Packers, Sunday, Dec. 29, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Atlanta Falcons tight end Tony Gonzalez (88) runs into the end zone for a touchdown against New England Patriots cornerback Alfonzo Dennard (37) during the first half of an NFL football game, Sunday, Sept. 29, 2013, in Atlanta. (AP Photo/John Bazemore)

Tennessee Titans wide receiver Nate Washington (85) jumps after scoring a touchdown against the Jacksonville Jaguars on a 30-yard pass play during the second half of an NFL football game in Jacksonville, Fla., Sunday, Dec. 22, 2013. (AP Photo/Stephen Morton)

Green Bay Packers' Aaron Rodgers throws his towel to some fans after an NFL football game against the Washington Redskins Sunday, Sept. 15, 2013, in Green Bay, Wis. The Packers won 38-20. (AP Photo/Mike Roemer)

Chicago Bears running back Matt Forte (22) goes in for a touchdown over Pittsburgh Steelers free safety Ryan Clark (25) in the first quarter of an NFL football game in Pittsburgh, Sunday, Sept. 22, 2013. (AP Photo/Gene J. Puskar)

Detroit Lions running back Joique Bell dives into the end zone past Washington Redskins linebacker Darryl Tapp (54) and cornerback David Anderson (39) during the first half of a NFL football game in Landover, Md., Sunday Sept. 22, 2013. (AP Photo/Richard Lipski)

New England Patriots tight end Rob Gronkowski (87) celebrates his touchdown in front of Denver Broncos safety Duke Ihenacho (33) in the third quarter of an NFL football game Sunday, Nov. 24, 2013, in Foxborough, Mass. (AP Photo/Elise Amendola)

Green Bay Packers' Clay Matthews is introduced before the first half of an NFL football game against the Minnesota Vikings Sunday, Nov. 24, 2013, in Green Bay, Wis. (AP Photo/Morry Gash)

Miami Dolphins wide receiver Brandon Gibson (10) jumps over Buffalo Bills free safety Aaron Williams (23) and strong safety Da'Norris Searcy (25) for a touchdown during the first half of an NFL football game, Sunday, Oct. 20, 2013, in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Green Bay Packers' Eddie Lacy (27) flips into the end zone past Pittsburgh Steelers' Chris Carter (54) and Ike Taylor (24) for a touchdown run during the first half of an NFL football game Sunday, Dec. 22, 2013, in Green Bay, Wis. (AP Photo/Mike Roemer)

Tampa Bay Buccaneers wide receiver Kevin Ogletree (85) celebrates after scoring a touchdown against the New Orleans Saints during the first quarter of an NFL football game on Sunday, Sept. 15, 2013, in Tampa, Fla. (AP Photo/Brian Blanco)

San Francisco 49ers tight end Vernon Davis (85) during an NFL regular season game against the Arizona Cardinals on Sunday, Oct. 13, 2013 in San Francisco. The 49ers won the game, 32-20. (Ric Tapia/NFL)

San Francisco 49ers' Anthony Dixon dives into the end zone for a touchdown run during the first half of the NFL football NFC Championship game against the Seattle Seahawks Sunday, Jan. 19, 2014, in Seattle. (AP Photo/Matt Slocum)

New England Patriots running back LeGarrette Blount (29) scores a touchdown past Buffalo Bills safety Jim Leonhard (35) in the second quarter of an NFL football game, Sunday, Dec. 29, 2013, in Foxborough, Mass. (AP Photo/Elise Amendola)

Pittsburgh Steelers wide receiver Antonio Brown (84) tries to break through a tackle by Cleveland Browns defensive back Julian Posey (38) in the third quarter of an NFL football game on Sunday, Dec. 29, 2013, in Pittsburgh. The Steelers won 20-7. (AP Photo/Don Wright)

Philadelphia Eagles' DeSean Jackson stands on the field during the first half of an NFL football game between the Philadelphia Eagles and the Detroit Lions, Sunday, Dec. 8, 2013, in Philadelphia. (AP Photo/Michael Perez)

Fans throw liquids at Kansas City Chiefs running back Jamaal Charles (25) as he celebrates with tight end Sean McGrath (84) after scoring on a 39-yard touchdown reception during the first quarter of an NFL football game against the Oakland Raiders in Oakland, Calif., Sunday, Dec. 15, 2013. (AP Photo/Marcio Jose Sanchez)

Philadelphia Eagles running back Bryce Brown (34) gets past Dallas Cowboys defensive end George Selvie (99) to score a touchdown during the second half of an NFL football game, Sunday, Dec. 29, 2013, in Arlington, Texas. (AP Photo/Tony Gutierrez)

Carolina Panthers' DeAngelo Williams (34) is introduced before an NFL football game against the Atlanta Falcons in Charlotte, N.C., Sunday, Nov. 3, 2013. (AP Photo/Chuck Burton)

Cleveland Browns cornerback Joe Haden (23) upends New England Patriots tight end Matthew Mulligan (88) after a catch in the fourth quarter of an NFL football game Sunday, Dec. 8, 2013, in Foxborough, Mass. (AP Photo/Steven Senne)

Denver Broncos wide receiver Wes Welker (83) catches a pass for a touchdown against the San Diego Chargers in the second quarter of an NFL AFC division playoff football game, Sunday, Jan. 12, 2014, in Denver. (AP Photo/Jack Dempsey)

San Francisco 49ers running back Kendall Hunter dives for extra yardage as he carries the ball in the first half of an NFL football game against the Seattle Seahawks, Sunday, Dec. 8, 2013, in San Francisco. (AP Photo/Marcio Jose Sanchez)

Washington Redskins wide receiver Pierre Garcon (88) celebrates his touchdown against the Atlanta Falcons during the first half of an NFL football game, Sunday, Dec. 15, 2013, in Atlanta. (AP Photo/David Goldman)

Indianapolis Colts wide receiver T.Y. Hilton (13) makes a touchdown to move ahead of Kansas City Chiefs 45-44 during the second half of an NFL wild-card playoff football game Saturday, Jan. 4, 2014, in Indianapolis. (AP Photo/AJ Mast)

New York Giants running back Peyton Hillis carries the ball into the end zone while San Diego Chargers linebacker Manti Te'o attempts to take the ball away on a 1-yard touchdown run during the second half of an NFL football game on Sunday, Dec. 8, 2013, in San Diego. (AP Photo/Denis Poroy)

In this photo taken with a fisheye lens, Toro, the Houston Texans mascot, lowers himself into Reliant Stadium to help introduce the team's AFC South division banner before an NFL football game against the Tennessee Titans, Sunday, Sept. 15, 2013, in Houston. (AP Photo/David J. Phillip)

Kansas City Chiefs cornerback Marcus Cooper (31) intercepts a pass intended for Denver Broncos wide receiver Eric Decker (87) during the first half of an NFL football game, Sunday, Dec. 1, 2013, in Kansas City, Mo. (AP Photo/Orlin Wagner)

Denver Broncos wide receiver Andre Caldwell (12) leaps over the goal line for a touchdown against San Diego Chargers defensive back Jahleel Addae (37) in the fourth quarter of an NFL football game, Thursday, Dec. 12, 2013, in Denver. (AP Photo/Joe Mahoney)

New Orleans Saints defensive back Chris Carr (31) breaks up a pass intended for Buffalo Bills tight end Scott Chandler (84) during the first half of an NFL football game in New Orleans, Sunday, Oct. 27, 2013. (AP Photo/Bill Feig)