Tennessee Titans players run on the field with American flags prior to an NFL football game against the New Orleans Saints, Sunday, Nov. 14, 2021, in Nashville, Tenn. The Titans won 23-21.

General view of the interior of Gillette Stadium from an elevated position at the 50 yard line during the Super Bowl trophy celebration with fireworks before an NFL 2017 Kickoff game between the Kansas City Chiefs and the New England Patriots on Thursday, Sept. 7, 2017 in Foxborough, Mass. The Chiefs won the game, 42-27.

Fans tailgate outside of MetLife Stadium before an NFL football game between the New York Giants and the Denver Broncos, Sunday, Sept. 12, 2021, in East Rutherford, N.J.

Cleveland Browns quarterback Baker Mayfield (6) stands on the field during an NFL football game against the Detroit Lions, Sunday, Nov. 21, 2021, in Cleveland. The Browns won 13-10.

Fireworks explode over the field before an NFL football game between the New York Jets and the Atlanta Falcons at Tottenham Hotspur Stadium in London, Sunday, Oct. 10, 2021.

Los Angeles Rams tight end Tyler Higbee (89) high fives teammates as he holds an American flag prior to an NFL football game against the Tennessee Titans, Sunday, Nov. 7, 2021 in Inglewood, Calif. The Titans won 28-16.

A New England Patriots end zone militia man waves a flag during an NFL football game, Monday, Sept. 13, 2021, in Foxborough, Mass.

Tampa Bay Buccaneers offensive tackle Robert Hainsey (70) holds an American flag prior to an NFL wild-card playoff football game against the Philadelphia Eagles, Sunday, Jan. 16, 2022, in Tampa, Fla. The Buccaneers won 31-15.

Jesse Torres tailgates outside of Levi's Stadium before an NFL preseason football game between the San Francisco 49ers and the Kansas City Chiefs in Santa Clara, Calif., Saturday, Aug. 14, 2021.

People stand for the national anthem before an NFL football game between the Kansas City Chiefs and the Cleveland Browns Sunday, Sept. 12, 2021, in Kansas City, Mo.

A general overall interior view of Raymond James Stadium prior to an NFL game between the Atlanta Falcons and the Tampa Bay Buccaneers, Sept. 19, 2021 in Tampa, Fla. The Buccaneers defeated the Falcons 48-25.

Houston Texans wide receiver Chris Conley (18) runs onto the field holding an American flag during introductions prior to an NFL game against the New York Jets, Sunday, Nov. 28, 2021, in Houston, Texas. The Jets beat the Texans 21-14.

Fans tailgate before an NFL football game between the Los Angeles Chargers and the New England Patriots, Sunday, Oct. 31, 2021, in Inglewood, Calif.

Allen Schiff grills while tailgating outside M&T Bank Stadium prior to an NFL football game between the Baltimore Ravens and the Los Angeles Chargers, Sunday, Oct. 17, 2021, in Baltimore.

Lumen Field stadium during the national anthem at a Seattle Seahawks NFL football game against the Jacksonville Jaguars, Sunday, Oct. 31, 2021, in Seattle. The Seahawks won 31-7.

Jacksonville Jaguars defensive tackle DaVon Hamilton (52) runs out for intros carrying an American flag prior to an NFL football game against the Atlanta Falcons, Sunday, Nov. 28, 2021, in Jacksonville, Fla. Falcons defeated the Jaguars 21-14.

Members of the US armed forces hold a 300 foot wide American flag for the national anthem before an NFL football game between the Dallas Cowboys and the Denver Broncos, Sunday, Nov. 7, 2021, in Arlington, Texas. The Broncos defeated the Cowboys, 30-16.

A general view of Gillette Stadium as fireworks go off prior to the start of an NFL game between the Tampa Bay Buccaneers and the New England Patriots, Sunday, Oct. 3, 2021 in Foxborough, Mass. The Buccaneers defeated the Patriots 19-17.

Dallas Cowboys cheerleaders form an American flag with their pom-poms at halftime during an NFL football game between the Dallas Cowboys and the Denver Broncos, Sunday, Nov. 7, 2021, in Arlington, Texas. The Broncos defeated the Cowboys, 30-16.

New England Patriots fan Steve Keenholtz of Marblehead, Mass. tends to the grill while tailgating prior to an NFL football game, Sunday, Nov. 14, 2021, in Foxborough, Mass.

Members of the 125th Fighter Wing of the Florida Air National Guard perform a flyover during the national anthem before an NFL football game between the Jacksonville Jaguars and the Buffalo Bills, Sunday, Nov. 7, 2021, in Jacksonville, Fla.

A view of GEHA Field at Arrowhead Stadium at the end of the national anthem prior to the divisional playoff football game against the Buffalo Bills, Sunday, January 23, 2022 in Kansas City.

Tampa Bay Buccaneers safety Andrew Adams (26) carries the United States flag onto the field during team introductions before an NFL football game against the Dallas Cowboys, Thursday, Sept. 9, 2021, in Tampa, Fla.

Omar Elizonda, left, of Reynosa, Mexico, and others make a meal called discada as they tailgate before an NFL football game between the Las Vegas Raiders and Dallas Cowboys in Arlington, Texas, Thursday, Nov. 25, 2021.

Minnesota Vikings wide receiver Adam Thielen (19) carries the flag onto the field before an NFL football game against the Green Bay Packers, Sunday, Nov. 21, 2021, in Minneapolis.

Members of the Florida Air National Guard perform a flyover prior to an NFL football game between the Jacksonville Jaguars and the Buffalo Bills, Sunday, Nov. 7, 2021, in Jacksonville, Fla. The Jaguars won 9-6.

A general overall interior view of Lambeau Field during the national anthem with a large American flag on the field prior to an NFL divisional playoff football game between the Green Bay Packers and the San Francisco 49ers, Saturday, Jan. 22, 2022, in Green Bay, Wis. San Francisco won 13-10.

Four A-10 Thunderbolts fly over the stadium prior to an NFL football game against the Dallas Cowboys, Sunday, November 21, 2021 in Kansas City.

Philadelphia Eagles fan Tony Gizzi tailgates prior to an NFL football game against the Denver Broncos, Sunday, Nov. 14, 2021, in Denver.

United States service members hold on to a football field sized American flag during the playing of the national anthem before a wild card NFL football game between the San Francisco 49ers and Dallas Cowboys, Sunday, Jan. 16, 2022, in Arlington, Texas. San Francisco won 23-17.

Los Angeles Rams wide receiver Van Jefferson carries a flag as part of the league's Salute to Service before an NFL football game against the Tennessee Titans, Sunday, Nov. 7, 2021, in Inglewood, Calif.

Adrian Abitia cooks food while tailgating before an NFL football game between the Las Vegas Raiders and the Washington Football Team, Sunday, Dec. 5, 2021, in Las Vegas.

United States Air Force aircraft fly over the stadium prior to kickoff of an NFL game between the Denver Broncos and the Philadelphia Eagles in Denver, Nov. 14, 2021.

A general view of Levi's Stadium with fireworks and a full sized American flag for the national anthem prior to an NFL football game between the Los Angeles Rams and the San Francisco 49ers, Monday, Nov. 15, 2021, in Santa Clara, Calif. San Francisco won 31-10.

Denver Broncos fan Catherine Highland, the "Bronco Babe," tailgates outside of Empower Field at Mile High before an NFL football game between the Broncos and the Kansas City Chiefs Saturday, Jan. 8, 2022, in Denver.

The Green Bay Packers stand on the sideline as fireworks go off prior to an NFL divisional playoff football game against the San Francisco 49ers, Saturday, Jan. 22, 2022, in Green Bay, Wis. The 49ers defeated the Packers, 13-10.

Military service members pull out the American flag during the national anthem prior to an NFL game between the Minnesota Vikings and the Pittsburgh Steelers, Thursday, Dec. 09, 2021, in Minneapolis. The Vikings beat the Steelers 36-28.

A general overall interior view during the national anthem before the Los Angeles Rams take on the San Francisco 49ers during the NFL NFC Championship game, Sunday, Jan. 30, 2022 in Inglewood, Calif.

Denver Broncos fan "Señor Chile" tailgates prior to an NFL football game against the Los Angeles Chargers, Sunday, Nov. 28, 2021, in Denver.

An American flag is displayed during the national anthem before the first half of an NFL divisional round playoff football game between the Tennessee Titans and the Cincinnati Bengals, Saturday, Jan. 22, 2022, in Nashville, Tenn.

A fan stands behind flags to be used for pregame ceremonies before an NFL divisional round playoff football game between the Kansas City Chiefs and the Buffalo Bills, Sunday, Jan. 23, 2022, in Kansas City, Mo.

Fireworks explode behind the TIAA Bank Field stadium during a flyover by the Air Force 415th Special Operations Squadron during pregame celebrations at an NFL football game against the Indianapolis Colts, Sunday, Jan. 9, 2022 in Jacksonville, Fla. The Jaguars defeated the Colts 26-11.

Jerry Key tailgates outside Nissan Stadium before an NFL football game between the Tennessee Titans and the Miami Dolphins, Sunday, Jan. 2, 2022, in Nashville, Tenn.

The Los Angeles Rams line up during the playing of the national anthem prior to the start of NFL Super Bowl 56 football game against the Cincinnati Bengals, Sunday, Feb. 13, 2022 in Inglewood, Calif. The Rams won, 23-20.

Fireworks go off as a U.S. Coast Guard C-130 flies overhead before the first half of an NFL divisional round playoff football game between the Tampa Bay Buccaneers and the Los Angeles Rams, Sunday, Jan. 23, 2022, in Tampa, Fla.

Fans tailgate outside Highmark Stadium before an NFL football game between the Buffalo Bills and the Carolina Panthers, Sunday, Dec. 19, 2021, in Orchard Park, N.Y.

Members of the Armed Services display a full field American flag during an NFL football game between the Minnesota Vikings and the Seattle Seahawks, Sunday, Sept. 26, 2021 in Minneapolis. Minnesota won 30-17.