NFL stadium attendance is suffering as the backlash from players protesting the National Anthem continues in week 13.

Kansas City Chiefs vs. New York Jets at MetLife Stadium

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https://twitter.com/mpepperman/status/937379373547769856

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Enough of that college stuff. Time for some real football. #Jets pic.twitter.com/Y02q5vsj8r — Ted Hyman (@TedHyman247) December 3, 2017

The empty seats: Jets Fans

The red speckles: Chiefs Fans pic.twitter.com/JLYdXGR04G — Knicks Film School (@KnickFilmSchool) December 3, 2017

Lots of empty seats at MetLife Stadium midway through the second quarter. pic.twitter.com/MMMsqbIb5h — Frank Lockwood (@LockwoodFrank) December 3, 2017

New England Patriots vs. Buffalo Bills at New Era Field

Tom Brady and company take the field here at New Era Field. @WGRZ pic.twitter.com/vmR0TODS4y — Heather Prusak (@haprusak) December 3, 2017

https://twitter.com/pacojara12/status/937380178975756291

A lot of empty seats came out to see the Bills play the Patriots today @EmptySeatsPics pic.twitter.com/NgGSwdEkqP — Darin Weeks (@DarinJWeeks) December 3, 2017

“Not a sell out at New Era Field. Lots of empty seats in 300 level,” tweeted WEEI reporter Ryan Hannable.

Not a sell out at New Era Field. Lots of empty seats in 300 level. — Ryan Hannable (@RyanHannable) December 3, 2017

Denver Broncos vs. Miami Dolphins at Hard Rock Stadium

2 minutes until kickoff and there are still plenty of great seats still available at @HardRockStadium. @EmptySeatsPics pic.twitter.com/dmmcZLhQ8Q — wanderingbeachcomber (@EvanBu) December 3, 2017

https://twitter.com/JamesMa75511555/status/937392348119609344

Lots of empty seats are becoming the norm these days. Wanted to see it for myself. @RameauAry @MarkSimoneNY @seanhannity @kevincorke pic.twitter.com/Zwn5J3e0aq — Ralph M Felix (@Rafael0157) December 3, 2017

San Francisco 49ers vs. Chicago Bears at Soldier Field

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Empty seats at kickoff of a gorgeous day. pic.twitter.com/upLz3jiJwN — Dan Wiederer (@danwiederer) December 3, 2017

A lot of empty seats in the upper deck today. #Bears pic.twitter.com/eqdnpdDbl7 — Zack Pearson (@Zack_Pearson) December 3, 2017

Good amount of empty seats in north end zone. pic.twitter.com/YQJwnpvwGv — Jeff Dickerson (@DickersonESPN) December 3, 2017

1-10 versus 3-8 #SFvsCHI RT @OllieNanyes: 49ers at Bears. @[me] most empties are in the United Club. 55 degrees. pic.twitter.com/NeI8BioP8u — Empty Seats Galore (@EmptySeatsPics) December 3, 2017

There are some empty seats here at Soldier Field. It looks like the Lions game two weeks ago: pic.twitter.com/rEfsrT0hD9 — Adam Jahns (@adamjahns) December 3, 2017

Detroit Lions vs. Baltimore Ravens at M&T Bank Stadium

“I’m shocked at the number of empty seats here at the Ravens game. Wow, I’ve never seen it like this before in Baltimore,” tweeted ABC7 reporter Scott Abraham.

I'm shocked at the number of empty seats here at the Ravens game. Wow, I've never seen it like this before in Baltimore. — Scott Abraham (@ScottABC7) December 3, 2017

Might as well be a professional photographer. Lets go Ravens 😈 #RavensFlock pic.twitter.com/DPEBL9nfxL — Danny (@Dmar10_) December 3, 2017

Gorgeous National Anthem from the Cardinal Sheenan Choir! LET’S GO #RAVENS! CAW CAW! #RavensFlock pic.twitter.com/drWogdzCIl — Ravens Rob (@EliteRob2914) December 3, 2017

Minnesota Vikings vs. Atlanta Falcons at Mercedes-Benz Stadium

Lots of empty seats for the biggest game of the NFL week… pic.twitter.com/kQDZySMFtU — Brian Handke (@brianhandke) December 3, 2017

https://www.instagram.com/p/BcP9qffHn3b/

Atlanta #MINvsATL (1/2) RT @MinnesotaMisery: @[me] falcons fans a little late to the game against the Vikings. pic.twitter.com/lurpcc3u0Y — Empty Seats Galore (@EmptySeatsPics) December 3, 2017

Caption: "What’s up with ALL the empty seats? 30% empty? Could it be tix are too expensive? Fans don’t want to pay the PSL?" (https://t.co/ceK9VSHPuT) pic.twitter.com/ZftCoDwwr8 — Empty Seats Galore (@EmptySeatsPics) December 3, 2017

Houston Texans vs. Tennessee Titans at Nissan Stadium

Nissan Stadium, home of the Titans.

Nosebleeds, home of @omarcanuck pic.twitter.com/9HxzMvcSNz — Omar A (@omarcanuck) December 3, 2017

Such a beautiful day to be at the Titans game. #TitanUp pic.twitter.com/8v81jXePtO — Kenny Beckman (@kny_beckman) December 3, 2017

“I’m really surprised there are so many empty seats. Titans are hot and tied for first place. It’s a gorgeous day. This stadium should be full!,” tweeted NFL reporter John McClain.

I'm really surprised there are so many empty seats. Titans are hot and tied for first place. It's a gorgeous day. This stadium should be full! — John McClain (@McClain_on_NFL) December 3, 2017

Indianapolis Colts vs. Jacksonville Jaguars at EverBank Field