After the final whistle, a hopeful fan leapt onto the pitch, keen to get a souvenir from the Portuguese star.
The final whistle blew at the Vicente Calderon, ending the first-leg battle between Atletico Madrid and Real Madrid in a stalemate, but leaving the war for a place in the Champions League semi-finals, very much wide open.
At the end of the game and as the players headed back towards the dressing rooms, one eager fan spotted an opportunity...
Near the dugouts, the fan raced towards Cristiano Ronaldo, grabbing hold of the front of the Portuguese star's shirt, clearly wanting to claim a special memento from the derby.
Security services quickly tried to intervene, but Cristiano Ronaldo simply hugged the adoring fan. Did the fan get his wish though?
Nope. After a parting of ways, with the aid of the security on the touchline, the Portuguese international headed off down the tunnel, still with his shirt.
The player himself is doubtless used to such occurrences, though usually, from much younger admirers. At many stadiums around Spain, children have often taken to the pitch to greet their idol, often evading security and ending up gifted a shirt, by the 2014 Ballon d'Or winner.
However, whilst that's a positive gesture from Ronaldo, the clubs hosting the matches usually end up receiving punishment, sometimes amounting to fines of thousands of Euros, for what is considered a breach of security.