Atletico Madrid supporters have launched an online campaign to prevent Cristiano Ronaldo joining the club from Manchester United.
Ronaldo, 37, is seeking a route out of United after informing the club he wants to leave this summer if a suitable offers arrives.
The Portuguese superstar is keen to play Champions League football this season and could leave United just a year after re-joining the club from Juventus.
Ronaldo was left at home for United's pre-season tour of Thailand and Australia and is yet to feature for the club since Erik ten Hag's arrival.
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Chelsea, Napoli and Paris Saint-Germain have all been linked with the forward, as have Atletico Madrid.
Reports linking Ronaldo with Atletico have angered supporters of the Spanish club, who are determined to stop their team from signing the striker that played for their rivals Real Madrid between 2009 and 2018.
Angry fans have united behind the hashtag #ContraCR7 [AgainstCR7] on Twitter to voice their opposition to the club signing Ronaldo.
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"If this one comes to my Atleti, I will cancel my two subscriptions.... We are not an asylum to collect scum," one supporter tweeted.
Another added: "This is not just about Atletico fans, every club's fans should reject Ronaldo."
A third wrote: "A clown who represents everything that is not Atleti. It would destroy the locker room, the fans and everything it touches.
"It is not even sustained sportingly, [he's] in clear decline."
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Ronaldo still has one year left on his current deal at United and new manager Ten Hag insists the Portuguese remains part of his plans for the season.
"We want to play in a certain way. A top player can contribute and Ronaldo is an absolute top player in our squad," said Ten Hag.
But the Dutchman admitted he was unsure if Ronaldo would return to training this week ahead of their next pre-season friendly, coincidentally against Atletico Madrid, in Oslo, Norway on Saturday.
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"I cannot tell you. Not yet," added Ten Hag.
Topics: Manchester United, Cristiano Ronaldo, Football, Premier League, Transfers, Atletico Madrid, La Liga
Rory O'Callaghan