Fans tailgate in the parking lot outside Arrowhead Stadium before an NFL football game between the Los Angeles Chargers and the Kansas City Chiefs, Sunday, Jan. 3, 2021, in Kansas City, Mo.

Terry Mohr, from the Brooklyn borough of New York, hoists a flag as he tailgates with friends before an NFL football game between the Jacksonville Jaguars and the Miami Dolphins, Thursday, Sept. 24, 2020, in Jacksonville, Fla.

Fans tailgate before an NFL football game between the Jacksonville Jaguars and the Indianapolis Colts, Sunday, Sept. 13, 2020, in Jacksonville, Fla.

Patrick Morries tailgates before the NFL AFC Championship football game between the Kansas City Chiefs and the Tennessee Titans Sunday, Jan. 19, 2020, in Kansas City, MO.

Fans tailgate before an NFL wild-card playoff football game between the Philadelphia Eagles and the Seattle Seahawks, Sunday, Jan. 5, 2020, in Philadelphia.

Brothers Calvin, left, and Wes Bixby, of Essex, Mass., play football while tailgating in the parking lot of Gillette Stadium before an NFL football game between the New England Patriots and the Miami Dolphins, Sunday, Dec. 29, 2019, in Foxborough, Mass.

From left, Heidi McGann, Dawn Famosi, Ryan McGann, Chelsea Reilly and Mike Butler keep warm around a fire while tailgating in the parking lot of Gillette Stadium before an NFL football game between the New England Patriots and the Buffalo Bills, Saturday, Dec. 21, 2019, in Foxborough, Mass.

Arizona Cardinals fans tailgate prior to an NFL football game against the Cleveland Browns, Sunday, Dec. 15, 2019, in Glendale, Ariz.

Fans tailgate at RingCentral Coliseum before an NFL football game between the Oakland Raiders and the Tennessee Titans in Oakland, Calif., Sunday, Dec. 8, 2019.

Allen Schiff grilling burgers while tailgating in the parking lot before the start of an NFL football game between the Baltimore Ravens and the San Francisco 49ers, Sunday, Dec. 1, 2019, in Baltimore, Md.

Fans tailgate before an NFL football game between the Houston Texans and the Oakland Raiders Sunday, Oct. 27, 2019, in Houston.

Denver Broncos fans Robert Romero, foreground, and Henry Alire, both of Pueblo, Colo., grill food as they tailgate before an NFL football game between the Broncos and the Tennessee Titans, Sunday, Oct. 13, 2019, in Denver.

Jacksonville Jaguars fan Joseph Scott tailgates in front of Empower Field before an NFL football game between the Denver Broncos and the Jacksonville Jaguars Sunday, Sept. 29, 2019, in Denver.

Bob Delzer tends the grill while tailgating in the parking lot of New Era Field before an NFL football game between the Buffalo Bills and the New England Patriots, Sunday, Sept. 29, 2019, in Orchard Park, N.Y.

Fans tailgate outside Lambeau Field before the start of an NFL football game between the Green Bay Packers and Philadelphia Eagles Thursday, Sept. 26, 2019, in Green Bay, Wis.

Fans tailgate ahead of an NFL football game, between the Atlanta Falcons and the Philadelphia Eagles, Sunday, Sept. 15, 2019, in Atlanta.

Jets fans tailgate before an NFL football game between the New York Jets and the Buffalo Bills Sunday, Sept. 8, 2019, in East Rutherford, N.J.

Fans tailgate before an NFL football game between the Minnesota Vikings and the Atlanta Falcons, Sunday, Sept. 8, 2019, in Minneapolis.

Fans tailgate outside of Levi's Stadium before an NFL football game between the San Francisco 49ers and the Seattle Seahawks in Santa Clara, Calif., Sunday, Jan. 1, 2017. (AP Photo/Marcio Jose Sanchez)

Fans tailgate outside of Levi's Stadium before an NFL football game between the San Francisco 49ers and the Seattle Seahawks in Santa Clara, Calif., Sunday, Jan. 1, 2017. (AP Photo/Marcio Jose Sanchez)

Fans tailgate outside of Levi's Stadium before an NFL football game between the San Francisco 49ers and the Seattle Seahawks in Santa Clara, Calif., Sunday, Jan. 1, 2017. (AP Photo/Marcio Jose Sanchez)

Seattle Seahawks fans play a wooden block stacking game as they tailgate before an NFL football NFC wild card playoff game between the Seahawks and the Detroit Lions, Saturday, Jan. 7, 2017, in Seattle. (AP Photo/Stephen Brashear)

Seattle Seahawks fan Mike Braaten, right, tosses a beanbag as he plays a game of cornhole while tailgating before an NFL football NFC wild card playoff game against the Detroit Lions, Saturday, Jan. 7, 2017, in Seattle. (AP Photo/Stephen Brashear)

Fans tailgate before an NFC wild-card NFL football game between the Green Bay Packers and the New York Giants, Sunday, Jan. 8, 2017, in Green Bay, Wis. (AP Photo/Mike Roemer)

Mike Reed, of Andover, Mass., watches a football game on a television in his tent while tailgating in the parking lot of Gillette Stadium before an NFL divisional playoff football game between the New England Patriots and the Houston Texans, Saturday, Jan. 14, 2017, in Foxborough, Mass. (AP Photo/Elise Amendola)

Dallas Cowboys fans tailgate outside AT&T Stadium before an NFL divisional playoff football game against the Green Bay Packers, Sunday, Jan. 15, 2017, in Arlington, Texas. (AP Photo/LM Otero)

Fans tailgate before an NFL divisional playoff football game between the Kansas City Chiefs and the Pittsburgh Steelers, Sunday, Jan. 15, 2017, in Kansas City, Mo. (AP Photo/Charlie Riedel)

John Skaibinski, right, tends the grill while tailgating with his son Jay in the parking lot of Gillette Stadium before the AFC championship NFL football game between the New England Patriots and the Pittsburgh Steelers, Sunday, Jan. 22, 2017, in Foxborough, Mass. (AP Photo/Elise Amendola)

Connor Kiely tosses a beanbag while tailgating with friends in the parking lot of Gillette Stadium before the AFC championship NFL football game between the New England Patriots and the Pittsburgh Steelers, Sunday, Jan. 22, 2017, in Foxborough, Mass. (AP Photo/Steven Senne)

San Francisco 49ers fan Nicole Manasewitsch, left, paints her husband Joe's face while tailgating at Levi's Stadium before an NFL football game between the San Francisco 49ers and the St. Louis Rams in Santa Clara, Calif., Sunday, Jan. 3, 2016. (AP Photo/Marcio Jose Sanchez)

Marco Loya, left, tailgates outside Sports Authority Field at Mile High before an NFL divisional playoff football game between the Denver Broncos and the Pittsburgh Steelers, Sunday, Jan. 17, 2016, in Denver. (AP Photo/Joe Mahoney)

Stan Kelly, of Concord, N.H., tends the grill with friends while tailgating in the parking lot of Gillette Stadium before an NFL divisional playoff football game between the New England Patriots and Kansas City Chiefs, Saturday, Jan. 16, 2016, in Foxborough, Mass. (AP Photo/Elise Amendola)

Martin Casillas, left, and his grandson Aaron Casillas play on a ping-pong table while tailgating before an NFL football game between the Chicago Bears and Tampa Bay Buccaneers in Tampa, Fla., Sunday, Dec. 27, 2015. (AP Photo/Phelan M. Ebenhack)

Pete Roy tends the grill while tailgating with friends in the parking lot of Gillette Stadium before an NFL divisional playoff football game between the New England Patriots and the Kansas City Chiefs, Saturday, Jan. 16, 2016, in Foxborough, Mass. (AP Photo/Elise Amendola)

Fans tailgate before an NFL football game between the Green Bay Packers and the Minnesota Vikings Sunday, Jan. 3, 2016, in Green Bay, Wis. (AP Photo/Mike Roemer)

San Francisco 49ers fans tailgate outside Candlestick Park before an NFL football game against the Seattle Seahawks, Sunday, Dec. 8, 2013, in San Francisco. (AP Photo/Marcio Jose Sanchez)

Fans tailgate before an NFL football game between the Green Bay Packers and the Atlanta Falcons Sunday, Dec. 8, 2013, in Green Bay, Wis. (AP Photo/Mike Roemer)

Fans tailgate outside the stadium prior to an NFL football game between the Denver Broncos and the Baltimore Ravens, Thursday, Sept. 5, 2013, in Denver. (AP Photo/Brennan Linsley)

Pittsburgh Steelers fans tailgate outside Heinz Field before an NFL football game between the Pittsburgh Steelers and Tennessee Titans in Pittsburgh, Sunday, Sept. 8, 2013. (AP Photo/Gene J. Puskar)

Green Bay Packers fans watch their grill as he tailgate before an NFL wild-card playoff football game between the Green Bay Packers and the San Francisco 49ers, Sunday, Jan. 5, 2014, in Green Bay, Wis. (AP Photo/Mike Roemer)

An Oakland Raiders fan cooks on a grill while tailgating in the O.co Coliseum parking lot before an NFL football game between the Oakland Raiders and the San Diego Chargers in Oakland, Calif., Sunday, Oct. 6, 2013. (AP Photo/Tony Avelar)

Fans tailgate before an NFL preseason football game between the Green Bay Packers and the Seattle Seahawks Friday, Aug. 23, 2013, in Green Bay, Wis. (AP Photo/Tom Lynn)

Fans tailgate before an NFL football game between the Green Bay Packers and the Philadelphia Eagles Sunday, Nov. 10, 2013, in Green Bay, Wis. (AP Photo/Tom Lynn)

Rob Picardi removes a pizza from a wood fired brick oven while tailgating prior to a game at Gillette Stadium between the Arizona Cardinals and the New England Patriots, Sunday, September 16, 2012 in Foxborough, Mass. (AP Photo/Stew Milne)

Chicago Bears and San Francisco 49ers fans tailgate in the parking lot of Candlestick Park before an NFL football game between the San Francisco 49ers and the Chicago Bears in San Francisco, Monday, Nov. 19, 2012. (AP Photo/Marcio Jose Sanchez)

Fans tailgate outside of Candlestick Park before the NFC Championship NFL football game between the San Francisco 49ers and the New York Giants Sunday, Jan. 22, 2012, in San Francisco. (AP Photo/Marcio Sanchez)

San Francisco 49ers fans tailgate before an NFL football game between the San Francisco 49ers and the Buffalo Bills in San Francisco, Sunday, Oct. 7, 2012. (AP Photo/Jeff Chiu)

Oakland Raiders fan Daniel Toledo cooks food while tailgating in the O.co Coliseum parking lot before an NFL football game between the Oakland Raiders and the Cleveland Browns in Oakland, Calif., Sunday, Dec. 2, 2012. (AP Photo/Marcio Jose Sanchez)

Cincinnati Bengals fan Trace Terry, 9, tosses a football while tailgating outside Paul Brown Stadium prior to an NFL football game against the Baltimore Ravens, Sunday, Dec. 30, 2012, in Cincinnati. (AP Photo/Tom Uhlman)

Dallas Cowboys fans tailgate before an NFL football game against the Tampa Bay Buccaneers Sunday, Sept. 23, 2012, in Arlington, Texas. (AP Photo/Tim Sharp)

Fans tailgate outside Lambeau Field before an NFL divisional playoff football game between the Green Bay Packers and the New York Giants Sunday, Jan. 15, 2012, in Green Bay, Wis. (AP Photo/Mike Roemer)

Tailgaters appear in the smoked-filled parking area outside Soldier Field on an unseasonably warm day before an NFL football game between the Chicago Bears and Arizona Cardinals in Chicago, Sunday, Nov. 8, 2009. (AP Photo/Charles Rex Arbogast)

The city skyline rises above the fans gathered to tailgate in the parking lots surrounding Heinz Filed before the start of the NFLfootball game between the Pittsburgh Steelers and Cleveland Browns in Pittsburgh, Sunday, Oct. 18, 2009. (AP Photo/Keith Srakocic)

People enjoy tailgating in the parking lot before an NFL football game between the Philadelphia Eagles and the Washington Redskins, Sunday, Nov. 29, 2009, in Philadelphia. (AP Photo/Mel Evans)

Fans tailgate before an NFL football game between the Washington Redskins and the Oakland Raiders in Oakland, Calif., Sunday, Dec. 13, 2009. (AP Photo/Marcio Jose Sanchez)

New York Jets fans tailgate with a cake decorated with their hopes of a Jets playoff spot before an NFL football game between the Jets and the Cincinnati Bengals at Giants Stadium in East Rutherford, N.J., Sunday, Jan. 3, 2010. (AP Photo/Kathy Willens)

Football fans tailgate before an NFL football game between the Arizona Cardinals and the San Francisco 49ers in San Francisco, Monday, Dec. 14, 2009. (AP Photo/Paul Sakuma)

Fans gather in the parking lot as they tailgate before an NFL divisional playoff game between the New York Jets and the San Diego Chargers, Sunday, Jan. 17,2010, in San Diego. (AP Photo/Denis Poroy)

A fan grills during a tailgate party before an NFL divisional playoff game between the New York Jets and San Diego Chargers, Sunday, Jan.17,2010 in San Diego. (AP Photo/Denis Poroy)

A rainbow fills the sky over tailgaters before the start of a preseason NFL football game between the Green Bay Packers and Kansas City Chiefs in Arrowhead Stadium in Kansas City, Mo., Thursday, Sept. 2, 2010. (AP Photo/Orlin Wagner)

NFL commissioner Roger Goodell signs autographs for tailgaters outside Paul Brown Stadium prior to a football game between the Cincinnati Bengals and Pittsburgh Steelers,, Monday, Nov. 8, 2010, in Cincinnat. (AP Photo/Ed Reinke)

Cincinatti Bengals fans tailgating with the city of Cincinnati as a backdrop prior to the NFL week 9 football game against the Pittsburg Steelers on Monday November 8, 2010 in Cincinnati, OH. The Steelers won the game 27-21. (AP Photo/Jim Mahoney)

Fans tailgate outside Heinz Field in Pittsburgh before the AFC Championship NFL football game in between the New York Jets and Pittsburgh Steelers, Sunday, Jan. 23, 2011. (AP Photo/Gene J. Puskar)

Jeremy Martin of Boston catches a pass while tailgating prior to the New England Patriots facing the New York Jets in an NFL football game in Foxborough, Mass., Sunday, Oct. 9, 2011. (AP Photo/Charles Krupa)

Football fans tailgate outside of Lambeau Feild before an NFL football game between the Green Bay Packers and the St. Louis Rams Sunday, Oct. 16, 2011, in Green Bay, Wis. (AP Photo/Mike Roemer)

John Vialpando, of Denver, is seen Tebowing while tailgating before an NFL football game between the Denver Broncos and Detroit Lions, Sunday, Oct. 30, 2011, in Denver. (AP Photo/Jack Dempsey)

Oakland Raiders fans tailgate in the parking lot before an NFL football game between the Oakland Raiders and the Denver Broncos in Oakland, Calif., Sunday, Nov. 6, 2011. (AP Photo/Marcio Jose Sanchez)

Carolina Panthers fans tailgate before an NFL football game against the Tennessee Titans in Charlotte, N.C., Sunday, Nov. 13, 2011. (AP Photo/Rick Havner)

Nick Canitano, left, 41, cooks burgers and hot dogs as Charlie Holmes, 8. waits patiently, during tailgating before the St. Louis Rams play the Cleveland Browns in an NFL football game Sunday, Nov. 13, 2011, in Cleveland. (AP Photo/Tony Dejak)

Fans tailgate outside Lambeau Field before an NFL football game between the Green Bay Packers and the Tampa Bay Buccaneers Sunday, Nov. 20, 2011, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Bill Dame, of Berwick, Maine mans the grill while tailgating prior to an NFL football game between the New England Patriots and Indianapolis Colts in Foxborough, Mass., Sunday Dec. 4, 2011. (AP Photo/Charles Krupa)

John Kapavik of West, Texas checks the temperature of his beer-can turkey as he tailgates outside of Cowboys Stadium before an NFL football game against the Miami Dolphins Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Sharon Ellman)

Kurt Jaeger, of Lake George, N.Y. catches a football while tailgating prior to an NFL football game between the New England Patriots and Indianapolis Colts in Foxborough, Mass., Sunday Dec. 4, 2011. (AP Photo/Charles Krupa)

Football fans tailgate before an NFL football game between the Oakland Raiders and the Detroit Lions in Oakland, Calif., Sunday, Dec. 18, 2011. (AP Photo/Paul Sakuma)

Houston Texans football fan Marty Finkelstein is lifted by friends while tailgating before an NFL wild card playoff football game between the Texans and the Cincinnati Bengals Saturday, Jan. 7, 2012, in Houston. (AP Photo/Dave Einsel)

Marvin Jeffcoat, of Charlotte, N.C., cooks some food as he tailgates before an NFL football game between the Carolina Panthers and the Tampa Bay Buccaneers in Charlotte, N.C., Saturday, Dec. 24, 2011. (AP Photo/Bob Leverone)

A Philadelphia Eagles fan barbecues in the parking lot before the NFL game between the San Diego Chargers and the Philadelphia Eagles in Philadelphia. The Chargers won 33-30. (AP Photo/Brian Garfinkel)

Philadelphia Eagles Fans play a game in the parking lot before the NFL game between the San Diego Chargers and the Philadelphia Eagles in Philadelphia. The Chargers won 33-30. (AP Photo/Brian Garfinkel)

New England Patriots fans John Cummings, left, mans the grill while tailgating with friends including Tivo Concepcion, right, both from Methuen, Mass., in the Gillette Stadium parking lot before an NFL divisional playoff football game between the Patriots and the Baltimore Ravens Saturday, Jan. 10, 2015, in Foxborough, Mass. (AP Photo/Steven Senne)

Minnesota Vikings fans Ann Severson, left, Madison McFarland, Jimmy Hughes and Matt Alschuller, right, tailgate before an NFL football game against the Miami Dolphins, Sunday, Dec. 21, 2014, in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Thomas Mason, of Princeton, Mass., tries to catch the football in the parking lot before an NFL football game between the New England Patriots and the Buffalo Bills Sunday, Dec. 28, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)

David and Chris Ritchie grill lunch in the parking lot of Gillette Stadium before an NFL football game between the New England Patriots and the Buffalo Bills Sunday, Dec. 28, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)

Arizona Cardinals fans tailgate on the Great Lawn before a game against the Seattle Seahawks, Sunday, Sec. 21, 2014, in Glendale, Ariz. (AP Photo/Gene Lower)

A general view of the exterior of Lambeau Field as fans gather and tailgate in the parking lots prior to a NFC Divisional Playoff football game between the Dallas Cowboys against the Green Bay Packers in Green Bay, Wisconsin on Sunday, January 11, 2015. The Packers defeated the Cowboys 26-21. (AP Photo/Scott Boehm)

Miami Dolphin fans Andrea Randall, 2, and her mother Elizabeth Randall, of Miami, tailgate before an NFL football game against the New York Jets, Sunday, Dec. 28, 2014, in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Philadelphia Eagles fan Jimmy Pyle and Dallas Cowboys fan Richard Welch, right, both of St. Petersburg, Fla., pose for a photo with Cowboys mascot Rowdy, center, as they tailgate before an NFL football game, Thursday, Nov. 27, 2014, in Arlington, Texas. (AP Photo/Tim Sharp)

Dallas Cowboys fans stay warm as they tailgate before an NFL football game against the Detroit Lions, Sunday, Jan. 4, 2015, in Arlington, Texas. (AP Photo/Brandon Wade)

People tailgate outside of Ralph Wilson Stadium prior to an NFL football game between the Buffalo Bills and the Cleveland Browns, Sunday, Nov. 30, 2014, in Orchard Park, N.J. (AP Photo/Bill Wippert)

Miami Dolphins inflatable decorations are displayed by a fan before an NFL football game against the New York Jets, Sunday, Dec. 28, 2014, in Miami Gardens, Fla. (AP Photo/Wilfredo Lee)

Fans tailgate outside Lambeau Field before an NFL football game between the Green Bay Packers and the Detroit Lions Sunday, Dec. 28, 2014, in Green Bay, Wis. (AP Photo/Tom Lynn)

Jacksonville Jaguars fans tailgate with a Christmas tree and a doll of Jaguars owner Shad Khan in the parking lot of EverBank Field before an NFL football game against the Tennessee Titans, Thursday, Dec. 18, 2014, in Jacksonville, Fla. (AP Photo/Stephen B. Morton)

Denver Broncos fans show off their team apparel while tailgating before the NFL divisional playoff game against the Indianapolis Colts at Sports Authority Field in Denver, CO January 11, 2015 (AP Photo/ Eric Bakke)

Fans grill as they tailgate before the NFL football AFC Championship game between the Indianapolis Colts and the New England Patriots Sunday, Jan. 18, 2015, in Foxborough, Mass. (AP Photo/Julio Cortez)

San Francisco 49ers fans tailgate outside of Levi's Stadium before an NFL football game between the San Francisco 49ers and the Arizona Cardinals in Santa Clara, Calif., Sunday, Dec. 28, 2014. (AP Photo/Marcio Jose Sanchez)

Fans tailgate outside of Soldier Field before an NFL football game between the Chicago Bears and the Dallas Cowboys Thursday, Dec. 4, 2014, in Chicago. (AP Photo/Nam Y. Huh)

A general view of the exterior of Lambeau Field as Packers fans tailgate in the parking lots prior to a Week 17 NFL football game between the Detroit Lions against the Green Bay Packers in Green Bay, Wisconsin on Sunday, December 28, 2014. The Packers defeated the Lions 30-20. (AP Photo/Scott Boehm)

Fans tailgate before the NFL football NFC Championship game between the Green Bay Packers and the Seattle Seahawks Sunday, Jan. 18, 2015, in Seattle. (AP Photo/David J. Phillip)

San Francisco 49ers fans tailgate outside of Levi's Stadium before an NFL football game between the San Francisco 49ers and the Arizona Cardinals in Santa Clara, Calif., Sunday, Dec. 28, 2014. (AP Photo/Marcio Jose Sanchez)