As the 2026 MLS season heads into its final stretch, ActionNetwork.com has analyzed over 533,000 comments from the subreddits of all 30 MLS clubs to find out which fandoms are the most foul-mouthed and, on the contrary, which are the most polite. The analysis also uncovered which fanbases are the most negative and which are the most positive.
Highlights
- Sporting Kansas City is the most foul-mouthed MLS fandom, with 14.28% of comments containing swear words, ahead of Real Salt Lake (13.77%) and Orlando City SC (13.44%).
- CF Montréal is the most negative MLS fandom, with 56.56% of comments classified as negative, ahead of San Diego FC (55.40%) and Inter Miami CF (54.97%).
- Nashville SC is the most positive MLS fandom, with 28.07% of comments classified as positive, ahead of D.C. United (25.27%) and Portland Timbers (24.37%).
- CF Montréal is also the most polite MLS fandom, with just 5.23% of comments containing swear words, ahead of Houston Dynamo FC (8.81%) and Chicago Fire FC (9.54%).
You can see the results of all analyzed MLS clubs in the interactive table below.
The Most Foul-Mouthed MLS Fandoms
To find the most foul-mouthed fandoms, we calculated the share of comments in each club’s subreddit that contained at least one swear word.
Sporting Kansas City turned out to be the most foul-mouthed fandom in MLS, with 14.28% of its comments containing swear words. Real Salt Lake ranked second with 13.77% vulgar comments, followed by Orlando City SC in third with 13.44% comments containing swear words. San Diego FC (12.96% vulgar comments) came in fourth, and FC Cincinnati (12.57% vulgar comments) rounded out the top five.
The Most Negative MLS Fandoms
To find the most negative fandoms, every comment was classified as negative, neutral or positive.
CF Montréal came out on top as the most negative fandom in MLS, with 56.56% of its comments classified as negative. San Diego FC ranked second with 55.40% negative comments, while Inter Miami CF took third place with 54.97% negative comments. Sporting Kansas City (54.13% negative comments) and FC Cincinnati (52.66% negative comments) completed the top five.
The Most Positive MLS Fandoms
On the other hand, Nashville SC turned out to be the most positive fandom in MLS, with 28.07% of its comments classified as positive. D.C. United ranked second with 25.27% positive comments, followed by Portland Timbers with 24.37% positive comments. Colorado Rapids (23.60% positive comments) and Chicago Fire FC (23.50% positive comments) rounded out the top five.
The Most Polite MLS Fandoms
To find the most polite fandoms, we looked at the clubs with the lowest share of comments containing swear words.
CF Montréal took the top spot as the most polite fandom in MLS, with only 5.23% of its comments containing swear words. Houston Dynamo FC ranked second with only 8.81% vulgar comments, while Chicago Fire FC (9.54% vulgar comments) and Vancouver Whitecaps FC (also 9.54% vulgar comments). FC Dallas (9.67% vulgar comments) rounded out the top five.
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Methodology
- Comments were analyzed from the subreddits of all 30 MLS clubs, collected over the last 12 months.
- The final date of analysis was November 2026.
- In total, 533,066 comments were analyzed. Of those, 60,812 comments were identified as containing at least one swear word, based on a standard English swear word list.
- Each comment was categorized as negative, neutral or positive using a sentiment analysis tool. The negative and positive percentages show each category’s share of all comments analyzed for a club.
