There are many things which are guaranteed in life. Death, taxes and a last-gasp equaliser from Sergio Ramos.
Aguero horror tackle sparks ugly scenes
The defender comes into his own when Real Madrid are trailing in massive games by popping up with late, heroic levellers.
Ramos has famously converted late in a UEFA Champions League final and a UEFA Super Cup final in the past for Real and he added another to his ever-growing collection against Barcelona on Saturday.
Barca looked set to close the gap on Real at the top of La Liga to three points at Camp Nou before Ramos cracked his knuckles and intervened by finding the back of the net late on in the Clasico.
And, unbeknownst to Ramos as he and his team-mates celebrated the effort, Twitter exploded as the Spain international's header earned Real a crucial point in the race for the Liga title.
Here are some of the best ones...