Atletico players celebrate after a goal during a Spanish Copa del Rey, or King's Cup, the semi-final soccer match between Barcelona and Atletico Madrid in Barcelona, Spain.

Barcelona's Robert Lewandowski scores during a Spanish Copa del Rey, or King's Cup, the semi-final soccer match between Barcelona and Atletico Madrid in Barcelona, Spain.

Atletico Madrid's Julian Alvarez, left, and Barcelona's Lamine Yamal fight for the ball during a Spanish Copa del Rey, or King's Cup, the semi-final soccer match between Barcelona and Atletico Madrid in Barcelona, Spain.

Barcelona players celebrate after a goal during a Spanish Copa del Rey or King's Cup, the semi-final soccer match between Barcelona and Atletico Madrid in Barcelona, Spain.

Barcelona's Inigo Martinez celebrate after he scored during a Spanish Copa del Rey, or King's Cup, the semi-final soccer match between Barcelona and Atletico Madrid in Barcelona, Spain.

Barcelona's Pau Cubarsi celebrates after a goal during a Spanish Copa del Rey, or King's Cup, the semi-final soccer match between Barcelona and Atletico Madrid in Barcelona, Spain.

Barcelona players celebrate after a goal during a Spanish Copa del Rey or King's Cup, the semi-final soccer match between Barcelona and Atletico Madrid in Barcelona, Spain.

Atletico Madrid players celebrate after a goal during a Spanish Copa del Rey, or King's Cup, the semi-final soccer match between Barcelona and Atletico Madrid in Barcelona, Spain.

Atletico Madrid's Julian Alvarez celebrates after scoring during a Spanish Copa del Rey, or King's Cup, the semi-final soccer match between Barcelona and Atletico Madrid in Barcelona, Spain.

Atletico Madrid's Julian Alvarez scores during a Spanish Copa del Rey, or King's Cup, the semi-final soccer match between Barcelona and Atletico Madrid in Barcelona, Spain.