Barcelona's Gerard Pique reacts after the the Champions League quarterfinal soccer match between Barcelona and Bayern Munich in Lisbon, Portugal, Friday, Aug. 14, 2020. Bayern won the match 8-2. (Rafael Marchante/Pool via AP)

Barcelona's Lionel Messi holds his head during the Champions League quarterfinal match between FC Barcelona and Bayern Munich at the Luz stadium in Lisbon, Portugal, Friday, Aug. 14, 2020. (AP Photo/Manu Fernandez/Pool)

Bayern's Thomas Mueller, bottom center, celebrates after scoring the opening goal during the Champions League quarterfinal soccer match between Barcelona and Bayern Munich in Lisbon, Portugal, Friday, Aug. 14, 2020. (Rafael Marchante/Pool via AP)

Barcelona's Lionel Messi during the Champions League quarterfinal match between FC Barcelona and Bayern Munich at the Luz stadium in Lisbon, Portugal, Friday, Aug. 14, 2020. Gerard Piqué says Barcelona "hit rock bottom" in an 8-2 humiliation from Bayern Munich in the Champions League quarterfinals. It's 74 years since Barcelona conceded eight goals in a game. (AP Photo/Manu Fernandez/Pool)