A new poll has tabulated which sports fan bases are the most negative and foul-mouthed right now, and several NBA teams, including the Dallas Mavericks, led the way.
With North Americans as devoted as ever to their favorite sports teams, it should not come as a surprise that sometimes that passion heads to some dark places. We see it at games as fans let their displeasure be known with boos. However, it gets much worse on the interwebs, especially on sites like Reddit.
Recently, Vegas Insider decided to track fan opinions about their teams on Reddit and was able to find out which were the most negative and foul-mouthed, as well as those that are calmer and positive on the outlook of their favorite NBA, NHL, NFL, MLB, and MLS teams. And the results from over nine million comments will surprise.
When it came to the most negative fans, the top five teams were all from the NBA. The teams were the Dallas Mavericks, New Orleans Pelicans, Memphis Grizzlies, Minnesota Timberwolves, and Philadelphia 76ers. Dallas led with 32% of their comments being classified as negative, with NO fans coming in at 30%. Most of those teams have given their fans reasons to be angry, although the Wolves are surprising after two straight conference finals trophies.
Mavericks fans also led the way when it came to the most foul-mouthed. Just over 17% of comments from Dallas fans included profanity. Second were Indianapolis Colts fans (16%), Grizzlies fans (16%), New York Yankees fans (16%), and Cincinnati Bengals fans (15%). Maybe Indy fans were foul-mouthed with joy from the shockingly good season their team has had in 2025.
Utah Jazz and Brooklyn Nets fans are more positive than most?
Utah Jazz
Jesse Johnson-Imagn Images
However, for all the foul-mouthed anger, there is also a flip side. Many sports fans look to balance the opinion scales with love and support.
When it comes to the most positive sports fans, the Utah Jazz actually lead the way with just under 54% posting Reddit comments that were positive. Oddly enough, Utah fans seem to be nicer in general because second was the MLS club Real Salt Lake (53%), followed by the NHL’s Utah Mammoth (53%).
Another surprise was Brooklyn Nets fans coming in with 53% positive comments despite the team heading to being in the lottery again next spring. After that were the Tampa Bay Buccaneers with 52% positive comments from fans.
As for the fans that don’t like to curse in their comments, MLS supporters led the way. CF Montreal was No. 1 with only 6% of comments having profanity, followed by the Seattle Kraken (8%), Los Angeles FC (9%), Vancouver Whitecaps (9%), and the Mammoth.
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After earning his journalism degree in 2017, Jason Burgos served as a contributor to several sites, including MMA Sucka ... More about Jason Burgos