Fan account Forza Atleti shared the video on Twitter after Costa filmed himself on Instagram:
ESPN FC's Liam Twomey also relayed the news:
According to Twomey, the Spain striker attended the street party on Sunday along with several others wearing Atleti shirts, before putting one on himself. He "has made it clear" he wants to rejoin Los Rojiblancos after being informed by manager Antonio Conte he is no longer required at Chelsea.
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