Cristiano Ronaldo appeared to wipe sweat on an opponent during Al Nassr's 2-1 Arab Club Champions Cup win over Al Hilal.
Ronaldo bagged a brace, including a 98th minute winner, as the 38-year-old won a first trophy in Saudi Arabia on Saturday night.
The five-time Ballon d'Or winner was forced off late on with a knee injury but was well enough to collect the top scorer award and lift the cup.
Ronaldo had been trolled by Brazilian winger Michael when he opened the scoring and proceeded to bust out the former Real Madrid superstar's 'SIUUU' celebration.
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He ultimately had the last laugh after producing heroics in yet another final but Ronaldo was also involved in a controversial moment with another Al Hilal player.
Prior to a set-piece, Ronaldo was being marked tightly by defender Ali Al-Bulaih but went to rather grim lengths to throw him off his game.
A video doing the rounds appears to show the ex Manchester United star rubbing his back, which is full of sweat after a tough fixture.
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He then quite clearly rubs the face of Al-Bulaih, who was understandably livid with Ronaldo. He could be seen wagging his fingers at the Portugal captain but did well to refrain from doing anything else.
Ronaldo's side were in action just two days on from their triumph in the first game of the new Saudi Pro League season.
They were without their talisman through injury and lost 2-1 to Steven Gerrard's Al Ettifaq on Monday.
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Sadio Mane opened scoring for Nassr but Robin Quaison found the net just after half-time, before former Celtic and Lyon striker Moussa Dembele scored the winner minutes later at the Prince Mohamed bin Fahd Stadium.
Al Nassr will look to bounce back against Al Taawoun on Friday and could soon have another new recruit in the ranks after agreeing a fee for Manchester City defender Aymeric Laporte.
Topics: Cristiano Ronaldo, Saudi Arabia, Saudi Pro League, Al Nassr
Josh Lawless