Every sport has its share of passionate fans, but some take it a little too far into bragging rights territory. Whether it is a dynasty that backs it up or a team clinging to one good season for decades, these fan bases are never shy about reminding you how great they think they are.
From relentless social media chirping to loudly invading rival stadiums, these groups love nothing more than to tell you why their team, city, and entire existence are better. Let’s dive into the 20 most boastful fan bases in sports and see who truly takes chest-puffing to an art form.
20. Miami Heat Fans

Winning a few titles will do wonders for your confidence, but Heat fans talk like they invented basketball itself. Whether it’s “Heat Culture” or random victory parades, this fanbase is never short on volume.
19. USC Football Fans

USC fans love to act like every year is the year they’re about to dominate again. Even after a few down seasons, they still say it is the peak Pete Carroll era.
18. Boston Bruins Fans

Bruins fans treat every playoff run like a birthright and every setback like a crime against humanity. Their belief in Boston’s toughness is so unshakable that you would think they sharpened the skates.
17. LSU Football Fans

LSU fans have a swagger that cannot be contained, even when the team is rebuilding. Every game is life or death, and every win is celebrated as if they solved world peace.
16. New York Yankees Fans

Yankees fans love reminding everyone they have 27 championships, even if most were around before television. They will find it if there’s an opportunity to bring up the Yankees in a conversation about literally anything.
15. Toronto Maple Leafs Fans

Leafs fans boast like they have a trophy room full of recent hardware, not realizing the last Cup came when people still wore fedoras unironically. Every offseason, they claim, “This is finally the year.”
14. Alabama Football Fans

Winning all the time has made Alabama fans the ultimate victory lap runners. They do not just expect to win; they expect you to thank them for being allowed to watch.
13. Chicago Cubs Fans

The Cubs finally won it all in 2016, and you would think it bought them a lifetime of bragging rights. Despite decades of pain, they now act like they were baseball royalty the entire time.
12. Pittsburgh Steelers Fans

Steelers fans carry themselves like the six Lombardi Trophies, which are personally tucked under their arms at all times. No matter how rough the offense looks, they will tell you the standard is the standard.
11. Duke Basketball Fans

Duke fans have never met a victory they could not make about how much more innovative, classy, and superior they are. Even when they lose, the energy is somehow still contagious.
10. Kansas City Chiefs Fans

A few years of Patrick Mahomes’ magic have turned Chiefs Kingdom into the loudest bunch around. They are convinced no one has ever played football at a higher level and are not shy about letting you know.
9. Philadelphia Eagles Fans

Eagles fans are fueled entirely by a blend of underdog spirit and absolute certainty that they are better than you. Win or lose, they will scream it from every rooftop in town.
8. Real Madrid Fans

Winning is just what Madrid does, and their fans will make sure you are painfully aware of it. Every title proves that they live in a different, superior universe.
7. Notre Dame Football Fans

Notre Dame fans walk into every college football season like the last few decades of mediocrity did not happen. No matter the odds, they believe destiny wears gold helmets.
6. Dallas Cowboys Fans

America’s Team has not been truly dominant in decades, but Cowboys fans will still tell you they are just one play away. Every season is “the year” until about Week 7, when the recalibration begins.
5. Manchester United Fans

Even when they struggle, Manchester United fans cling to past glory as if it were yesterday. They will remind you of their trophy history and probably their youth academy in the same breath.
4. New England Patriots Fans

A couple of decades of Belichick and Brady made Patriots fans insufferably smug. They still expect you to bow at the altar of the dynasty, even if the dynasty has taken a few hits.
3. Golden State Warriors Fans

Winning championships and redefining basketball turned Warriors fans into a collective chest-thumping machine. Whether it’s Steph, Jimmy, or some random role player, they will flex about it for weeks.
Read More: Ranking the 15 Most Welcoming NFL Fan Bases
2. Los Angeles Lakers Fans

Lakers fans treat their 17 titles as if they helped win each one. Whether they are the best team in the league or 11th place, their swagger remains fully operational.
Read More: 10 NBA Fan Bases That Live Entirely in the Past
1. Boston Red Sox Fans

Red Sox fans spent decades suffering, then immediately flipped the switch into loud, relentless winners. No fanbase brags harder, longer, or with more creative taunts than Boston when their team is rolling.
Read More: 15 Most Boastful MLB Stars of All Time