He's been linked with Celtic this week - and Cho Gue-Sung has proven he's not fazed by big names after leaving Cristiano Ronaldo irked.
The striker is a reported target for Hoops boss Ange Postecoglou this winter as doubt surrounds Giorgos Giakoumakis' future.
He played the number nine role in a stunning 2-1 win for South Korea over Portugal which booked a place in the World Cup last 16 for his side, and as Ronaldo made way, the 24-year-old managed to press his buttons.
Speaking to Portuguese media, the 37-year-old free agent claimed Gue-Sung had no authority trying to order him off the pitch as South Korea chased their eventual winner, amid reports there was a disagreement with boss Fernando Santos.
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