Diego Simeone has insisted that Atletico Madrid were not lucky to beat Liverpool, while explaining that "football is like boxing" in terms of picking your moments to strike in the final third.
Atletico knocked the defending European champions out of the competition after mounting a stirring comeback at Anfield on March 12.
The Spanish outfit were protecting a 1-0 first-leg lead in the last-16 encounter, and set up to frustrate Liverpool again in their own backyard.
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However, Georginio Wijnaldum's 43rd-minute header ensured that the tie went to extra time, and Roberto Firmino struck early in the additional period to put Liverpool in pole position to qualify for the quarter-finals.