The visitors became only the second team to beat la Real at home this season.
Los Colchoneros started the game brightly and they tried to retain possession and pass the ball around, but were struggling to create any chances in front of Claudio Bravo's goal. The hosts, however, slowly began to pick up momentum and were looking increasingly dangerous on the break.
The logical happened in the 12th minute when Llorente opened the scoring from close range after some great work from no other than Antoine Griezmann on the left wing. Tomas Ujfalusi, however, seemed to be the last man to play with the ball, but the goal was given to the striker.
La Real had a glorious opportunity to double their lead in the 18th minute, but the usually reliable Llorente failed to score from close range at the far post, following a wonderful cross by Xabi Prieto. The persistent onslaught from the hosts finally woke up the visitors and they started throwing bodies forward in search of an equaliser.
First Tomas Ujfalusi saw a header blocked by Bravo at the near post, following a corner on the left in the 24th minute and ten minutes later Sergio Aguero blasted a powerful shot just wide of la Real's goal.
In the waning minutes of the first half Mario Suarez put a header from just outside the six-yard box over the bar, and soon after Tiago was denied a wonderful goal by Bravo and the hosts entered the break with a tender lead.
The tempo of the game somewhat dropped after the restart and neither team seemed willing to take too much risks. Still, there was plenty of action at both end of the pitch as the fixture was far from over.
Griezmann saw a wonderful shot from the left side of the box saved by David De Gea, following a fast break in the 49th minute, and Tiago put his bicycle kick from inside the penalty area fly over the bar in the subsequent attack. Xabi Prieto blasted a powerful drive high ten minute later as the hosts were pushing for a second goal.
Out of nowhere Los Colchoneros drew the game level and it was no other than Forlan who got the vital strike in the 71st minute. Jose Antonios Reyes set his team on the counter with a delightful 40-yard dipping pass to release Aguero on the right wing, the Argentinian made his way into the box past Mikel Gonzalez and teed it up for the Uruguayan, who had no trouble finishing into the net from close range.
The comeback was completed eight minutes later when Aguero smashed home from close range after being allegedly offside in the build-up to the goal. Aguero completed his brace three minutes later with a fine finish in the top right corner, following a fast counter attack.
A stunning long-range goal from Rivas gave the game a dramatic ending, before Simao put the game to bed with a penalty concede by Mikel Gonzalez in injury time to secure Atleti's win.
Following tonight's result, Atletico Madrid are sixth in the standings, while Real Sociedad are ninth. La Real's next league game is a visit to Sporting de Gijon on the 28th November, while Los Colchoneros host Espanyol a day earlier.
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