Leicester City, whose mascot is the Foxes, became the champions of England’s Premier League following a draw between Tottenham and Chelsea on Monday. The news caused a 86% spike in Twitter (TWTR) activity in the United Kingdom, Twitter said.

English soccer fans have become accustomed over the years to seeing wealthy teams like Chelsea, Manchester United, and Arsenal dominate the Premier League. Many sports fans saw this year’s rise of Leicester City as the soccer equivalent of the fictional Bad News Bears, although in the movies, the lovable losers didn’t win the championship.

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Here’s a couple of Tweets from excited Leicester City fans:

Leicester City have won the Premier League. The biggest sporting shock of my lifetime, and it's only my team.

— Gary Lineker (@GaryLineker) May 2, 2016

Proud of you Spurs! But Leicester… What an inspiration, the best fucking story ever! Congratulations!!!! X

— Adele (@Adele) May 2, 2016

https://twitter.com/Marcus55/status/727284111463878665

https://twitter.com/PremiereFootbal/status/727284100629946368

In March, Fortune reported on Leicester’s rise as soccer’s top underdog that dominated the season compared to its far-richer competitors.

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Leicester City had $150 million in revenue last year compared to Manchester’s clubs, United and City, which brought in $568 million and $507 million in revenue respectively, according to the report.