Barcelona's head coach Hansi Flick, center, celebrates with his players at the end of the Champions League round of 16 first leg soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Barcelona's Inigo Martinez celebrates at the end of the Champions League round of 16 first leg soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Benfica's Andrea Belotti, left, is challenged by Barcelona's Gerard Martin during the Champions League round of 16 first leg soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Barcelona's Raphinha celebrates after scoring his side's opening goal during the Champions League round of 16 first leg soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Barcelona's Lamine Yamal, top, attempts a shot at goal in front of Benfica's Alvaro Carreras during the Champions League round of 16 first leg soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Barcelona's Raphinha, left, is challenged by Benfica's Tomas Araujo during the Champions League round of 16 first leg soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Benfica fans light flares during the Champions League round of 16 first leg soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Barcelona's Pedri, right, is challenged by Benfica's Fredrik Aursnes during the Champions League round of 16 first leg soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.

Barcelona's Alejandro Balde, right, runs with the ball past Benfica's Kerem Akturkoglu during the Champions League round of 16 first leg soccer match between SL Benfica and FC Barcelona at the Luz stadium in Lisbon.