A Dallas Cowboys fan holds a Happy Thanksgiving sign during an NFL football game against the Philadelphia Eagles at AT&T Stadium on Thursday, November 27, 2014, in Arlington, TX. The Eagles defeated the Cowboys 33-10. (Perry Knotts/NFL)

A San Francisco 49ers fan imitates the pose of quarterback Colin Kaepernick next to a Thanksgiving turkey while tailgating in the Levi's Stadium parking lot before an NFL football game between the 49ers and the Seattle Seahawks in Santa Clara, Calif., Thursday, Nov. 27, 2014. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers Brad Kurtz�wears a Thanksgiving turkey while posing for photos in the Levi's Stadium parking lot before an NFL football game between the 49ers and the Seattle Seahawks in Santa Clara, Calif., Thursday, Nov. 27, 2014. (AP Photo/Marcio Jose Sanchez)

A San Francisco 49ers fan holds up a sign before an NFL football game between the 49ers and the Seattle Seahawks in Santa Clara, Calif., Thursday, Nov. 27, 2014. (AP Photo/Tony Avelar)

Fans tailgate in the Levi's Stadium parking lot before an NFL football game between the San Francisco 49ers and the Seattle Seahawks in Santa Clara, Calif., Thursday, Nov. 27, 2014. (AP Photo/Marcio Jose Sanchez)

A San Francisco 49ers fan wears a Thanksgiving turkey before an NFL football game between the 49ers and the Seattle Seahawks in Santa Clara, Calif., Thursday, Nov. 27, 2014. (AP Photo/Tony Avelar)

A San Francisco 49ers fan holds up a sign before an NFL football game between the 49ers and the Seattle Seahawks in Santa Clara, Calif., Thursday, Nov. 27, 2014. (AP Photo/Tony Avelar)

JF Guathier, of Montreal, holds up a Thanksgiving turkey while tailgating before an NFL football game between the Detroit Lions and Chicago Bears in Detroit Thursday, Nov. 27, 2014. (AP Photo/Paul Sancya)

Gary Smith, Texas, left, and Alex McCormick, both of Austin, roam outside AT&T Stadium in Thanksgiving Day themed costumes before an NFL football game between the Philadelphia Eagles and Dallas Cowboys, Thursday, Nov. 27, 2014, in Arlington, Texas. (AP Photo/Tim Sharp)

Shawn Krogstad of San Antonio, Texas, takes a selfie of himself with a turkey outside AT&T Stadium as fans tailgate before an NFL football game against the Philadelphia Eagles, Thursday, Nov. 27, 2014, in Arlington, Texas. (AP Photo/Tim Sharp)

Abel Diaz of Arlington, Texas makes tacos al pastor before an NFL football game between the Philadelphia Eagles and Dallas Cowboys, Thursday, Nov. 27, 2014, in Arlington, Texas. (AP Photo/John F. Rhodes)

Char Renwick of Highland Village, Texas wears a Thanksgiving styled cowboy hat as she tailgates before an NFL football game between the Philadelphia Eagles and Dallas Cowboys, Thursday, Nov. 27, 2014, in Arlington, Texas. (AP Photo/John F. Rhodes)

JF Gauthier, of Montreal, celebrates Thanksgiving wearing a turkey hat while tailgating before an NFL football game between the Detroit Lions and Chicago Bears in Detroit Thursday, Nov. 27, 2014. (AP Photo/Paul Sancya)

Detroit Lions fans check their Thanksgiving turkey while tailgating before an NFL football game between the Detroit Red Wings and Chicago Bears in Detroit Thursday, Nov. 27, 2014. (AP Photo/Paul Sancya)

Brent Clodgio checks a Thanksgiving turkey while tailgating before an NFL football game between the Detroit Lions and Chicago Bears in Detroit Thursday, Nov. 27, 2014. (AP Photo/Paul Sancya)

Fans dressed as Thanksgiving turkeys cheer in the first half of an NFL football game between the Baltimore Ravens and the Pittsburgh Steelers Thursday, Nov. 28, 2013, in Baltimore. (AP Photo/Gail Burton)

Detroit Lions fans dressed as pilgrims cheer during the fourth quarter of a NFL football game against the Green Bay Packers on Thanksgiving at Ford Field. (Andrew Weber/USA TODAY Sports)

A football fan wears a turkey hat and NFL Play 60 eye blacks during the first half of an NFL football game between the Dallas Cowboys and the Oakland Raiders Thursday, Nov. 28, 2013, in Arlington, Texas. (AP Photo/Brandon Wade)

A Baltimore Ravens fan wears a Thanksgiving-themed hat as he looks on before an NFL football game between the Ravens and the Pittsburgh Steelers, Thursday, Nov. 28, 2013, in Baltimore. (AP Photo/Nick Wass)

From left, Katie Hamilton and Breely Ungar are surprised by a live turkey outside AT&T stadium before an NFL football game between the Dallas Cowboys and the Oakland Raiders, Thursday, Nov. 28, 2013, in Arlington. (AP Photo/Tim Sharp)

Layden Ochoa, 5, celebrates his birthday before an NFL football game between the Dallas Cowboys and the Oakland Raiders, Thursday, Nov. 28, 2013, in Arlington, Texas. (AP Photo/LM Otero)

Steven Saucedo enjoys turkey before an NFL football game between the Dallas Cowboys and the Oakland Raiders, Thursday, Nov. 28, 2013, in Arlington, Texas. (AP Photo/Brandon Wade)

Dallas Cowboys fans pose with a turkey during tailgate festivities before a NFL football game on Thanksgiving against the Oakland Raiders at AT&T Stadium. Mandatory Credit: Kirby Lee-USA TODAY Sports

A football fan with a message home is seen during the third quarter of an NFL football game between the Detroit Lions and the Green Bay Packers at Ford Field in Detroit, Thursday, Nov. 28, 2013. (AP Photo/Paul Sancya)

Patty Thompson, of Huntington, Ind., left, and her daughter Jessica, celebrate Thanksgiving before a NFL football game in Detroit Thursday, Nov. 28, 2013. (AP Photo/Paul Sancya)

Dallas Cowboys fans Steve Naylor (right) and Janie Nayor carve a turkey during tailgate festivities before a NFL football game on Thanksgiving against the Oakland Raiders at AT&T Stadium. (Kirby Lee-USA TODAY Sports)

Emily Goodin, left, and her fiance Ryan Cassell, both of Clawson, Mich., hold up a sign to celebrate Thanksgiving before a NFL football game between the Detroit Lions and Green Bay Packers in Detroit Thursday, Nov. 28, 2013. (AP Photo/Paul Sancya)

Detroit Lions fans Brett Gilley takes a picture of Ford Field before the game against the Green Bay Packers during a NFL football game on Thanksgiving. Mandatory Credit: Tim Fuller-USA TODAY Sports

Philadelphia Eagles fans wear Thanksgiving hats during a football game against Arizona Cardinals Thursday, Nov. 27, 2008, in Philadelphia. (AP Photo/Mel Evans)

A Green Bay Packers fan, wearing a Thanksgiving-themed turkey hat, walks to Ford Field before an NFL football game between the Green Bay Packers and Detroit Lions, Thursday, Nov. 26, 2009, in Detroit, Mich. (AP Photo/Tony Ding)

Detroit Lions fan Jim Halley sports a Thanksgiving motif hat during the first quarter of an NFL football game against the New England Patriots at Ford Field in Detroit, Thursday, Nov. 25, 2010. (AP Photo)

A fan wears a turkey hat on Thanksgiving during a NFL football game between the Dallas Cowboys and New Orleans Saints in Arlington, Texas, Thursday, Nov. 25, 2010. (AP Photo/Mike Fuentes)

Detroit Lions fan Brent Clodgio, of Canton, celebrates with a deep fried turkey before the Detroit Lions-Green Bay Packers NFL football game Thanksgiving day in Detroit, Thursday, Nov. 24, 2011. (AP Photo/Paul Sancya)

Green Bay Packers fan with a Thanksgiving day sign during an NFL football game against the Detroit Lions in Detroit, Thursday, Nov. 24, 2011. (AP Photo/Rick Osentoski)

Detroit Lions fans celebrate with a deep-fried turkey before the NFL football game between the Detroit Lions and Green Bay Packers, Thanksgiving Day in Detroit, Thursday, Nov. 24, 2011. (AP Photo/Paul Sancya)

Green Bay Packers fan Jackie Shillington, of Boston, gives a thumbs-up during the NFL football game between the Detroit Lions and Green Bay Packers in Detroit, Thursday, Nov. 24, 2011. (AP Photo/Paul Sancya)

A fan gets into the spirit with a turkey head covering on Thanksgiving Day at the NFL football game between the Detroit Lions and the Green Bay Packers, Thursday, Nov. 24, 2011, in Detroit. (AP Photo/Duane Burleson)

Detroit Lions fan holds a sign for Thanksgiving day during an NFL football game against the Green Bay Packers in Detroit, Thursday, Nov. 24, 2011. (AP Photo/Rick Osentoski)

Detroit fan wears a turkey on his head before the NFL football game against the Green Bay Packers in Detroit, Thursday, Nov. 24, 2011. (AP Photo/Rick Osentoski)

Nov 24, 2011; Arlington, TX, USA; Dallas Cowboys fans pose with turkey themed hats on their heads before the Thanksgiving day game against the Miami Dolphins at Cowboys Stadium. Mandatory Credit: Tim Heitman-US PRESSWIRE

Detroit fan wears a turkey on his head before the NFL football game against the Green Bay Packers in Detroit, Thursday, Nov. 24, 2011. (AP Photo/Rick Osentoski)

Nov 24, 2011; Arlington, TX, USA; Cy Ditmore from Horseshoe Bay Texas slices up a turkey on his trailor prior to the Dallas Cowboys playing against the Miami Dolphins on Thanksgiving day at Cowboys Stadium. Mandatory Credit: Matthew Emmons-US PRESSWIRE

Nov 24, 2011; Arlington, TX, USA; Bobby Thep grills out prior to the Dallas Cowboys playing against the Miami Dolphins on Thanksgiving day at Cowboys Stadium. Mandatory Credit: Matthew Emmons-US PRESSWIRE

Green Bay Packers fan Owen Phelps, of Rockford, Ill., celebrates as he looks toward the scoreboard during an NFL football game between the Detroit Lions and Green Bay Packers in Detroit on Thursday, Nov. 24, 2011. Green Bay won 27-15. (AP Photo/Paul Sancya)

A Dallas Cowboys fan holds a sign in the first half of an NFL football game between the Miami Dolphins and Dallas Cowboys, Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Sharon Ellman)

Nov 24, 2011; Arlington, TX, USA; Dallas Cowboys fan cheers on his team during the game against the Miami Dolphins on Thanksgiving day at Cowboys Stadium. Mandatory Credit: Matthew Emmons-US PRESSWIRE

November 24, 2011; Baltimore, MD, USA; Baltimore Ravens fan Lisa Phillips cooks a turkey prior to the Thanksgiving game against the San Francisco 49ers at M&T Bank Stadium. Mandatory Credit: Evan Habeeb-US PRESSWIRE

November 24, 2011; Baltimore, MD, USA; Baltimore Ravens fan Chad Troyer cooks some turkeys prior to the Thanksgiving game against the San Francisco 49ers at M&T Bank Stadium. Mandatory Credit: Evan Habeeb-US PRESSWIRE

A Baltimore Ravens fan wears a turkey cap in the first half of an NFL football game between the Baltimore Ravens and the San Francisco 49ers in Baltimore, Thursday, Nov. 24, 2011. (AP Photo/Nick Wass)

Nov 24, 2011; Arlington, TX, USA; Dallas Cowboys fan holds up a sign before the game against the Miami Dolphins on Thanksgiving day at Cowboys Stadium. Mandatory Credit: Tim Heitman-US PRESSWIRE

Nov 24, 2011; Arlington, TX, USA; Dallas Cowboys fan wears a pilgram hat during the game against the Miami Dolphins on Thanksgiving day at Cowboys Stadium. The Cowboys beat the Dolphins 20-19. Mandatory Credit: Matthew Emmons-US PRESSWIRE

Ben Povlow, from Philadelphia, wears a Philadelphia Eagles-themed hat before an NFL football game against the New England Patriots, Sunday, Nov. 27, 2011, in Philadelphia. (AP Photo/Michael Perez)

Football fan Alex Papp wears a turkey crown during the Green Bay Packers-Detroit Lions NFL football game on Thanksgiving day in Detroit, Thursday, Nov. 22, 2007. (AP Photo/Paul Sancya)