Cristiano Ronaldo has posted a message on social media after the Portuguese superstar was sent off for violent conduct during Al-Nassr's 2-1 defeat against Al-Hilal. 

The 39-year-old, who was shown a yellow card in the first half for unsportsmanlike conduct, appeared to throw his elbow at Al-Hilal's Ali Al-Bulaihi in the second half as the five-time Ballon d'Or winner attempted to take a quick throw-in. 

Al-Bulaihi subsequently dropped to the floor sparking a mele between both sets of players, with a video emerging appearing to also show Ronaldo stamp on the Al-Hilal defender. It remains unclear if the former Real Madrid forward made contact with the downed player.

It was a chaotic end to the match, but after tempers had disappated, referee Mohammed Al Hoaish showed Ronaldo a red card - the eighth of his professional career and his first for Al-Nassr.