Tempers flared during Real Madrid and Juventus' UEFA Champions League clash following Cristiano Ronaldo's last-minute penalty on Wednesday, which reportedly led to some players clashing in the tunnel after the game.
Buffon took his protests too far and was sent off by the English referee before Ronaldo showed great composure to fire his penalty past Szczesny to send the defending champions through to the semi-finals.
While Juventus players raged at the awarding of the penalty, Marca's front page simply reads "It was a penalty!", with a picture of Medhi Benatia appearing to push Lucas Vazquez from behind.
But Ronaldo, in his 150th Champions League appearance, then netted his 120th goal in the competition by converting the penalty with a firm shot into the top corner.
"I'm disappointed that they say we're through because of the referee".
"It was a match in which we suffered", Ronaldo said.
"In football, nothing is given away, you have to fight until the end".
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Madrid beat Juventus 4-3 on aggregate, courtesy of a Cristiano Ronaldo victor from the penalty spot in the 97th minute.
With half an hour to play, Juventus had wiped out Real Madrid's three-goal advantage.
Watching from the sidelines, Madrid manager Zinedine Zidane could sympathize.
Real went on to win the competition in each of those years and defender Dani Carvajal said those experiences helped his side keep their composure after they fell 3-0 behind after 60 minutes against Juve.
"I think you'll find that there is a lot of belief in the Liverpool side now because they are close enough", the Arsenal legend explained. Cristiano is used to these situations.
Only four days earlier, Juventus had benefitted from two penalties - the second after Juve forward Gonzalo Higuain's legs crumpled without any apparent contact from his marker - to win 4-2 at Benevento in Serie A. They played well but we were just average, the difference is we kept believing until the end.
Real will now face German champions Bayern Munich in the semis, in a repeat of last year's quarter-final, which Los Blancos won 6-3 on aggregate. "We deserved to go through to the semi-finals over the course of the tie and we can be pleased with that".