Barcelona's forward Lamine Yamal leaves after a press conference after a training session at the Joan Gamper training ground in Sant Joan Despi, near Barcelona, on September 8, 2026 on the eve of the UEFA Champions League first round day 1 football match against Feyenoord. (Photo by Josep LAGO / AFP via Getty Images)

Barcelona's coach Hansi Flick holds a press conference after a training session at the Joan Gamper training ground in Sant Joan Despi, near Barcelona, on September 8, 2026 on the eve of the UEFA Champions League first round day 1 football match against Feyenoord. (Photo by Josep LAGO / AFP via Getty Images)

Barcelona's coach Hansi Flick holds a press conference after a training session at the Joan Gamper training ground in Sant Joan Despi, near Barcelona, on September 8, 2026 on the eve of the UEFA Champions League first round day 1 football match against Feyenoord. (Photo by Josep LAGO / AFP via Getty Images)

This US Navy handout photograph released by US Central Command Public Affairs on September 8, 2026, shows a US sailor signaling an F/A-18F Super Hornet on the flight deck of Nimitz-class aircraft carrier USS George H.W. Bush on September 1, 2026. Iran's top negotiator on September 6 threatened a more forceful response to any further US attacks after Tehran targeted American warships in their latest round of clashes. The exchanges of fire, which began with US raids last week, come amid a deadlock in the six-month war between the two foes. (Photo by Handout / US NAVY / AFP via Getty Images) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / US NAVY / US CENTRAL COMMAND PUBLIC AFFAIRS" - HANDOUT - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

FC Barcelona's players take part in a training session at the Joan Gamper training ground in Sant Joan Despi, near Barcelona, on September 8, 2026 on the eve of the UEFA Champions League first round day 1 football match against Feyenoord. (Photo by Josep LAGO / AFP via Getty Images)

Barcelona's coach Hansi Flick (R) takes part in a training session at the Joan Gamper training ground in Sant Joan Despi, near Barcelona, on September 8, 2026 on the eve of the UEFA Champions League first round day 1 football match against Feyenoord. (Photo by Josep LAGO / AFP via Getty Images)

(From L) Barcelona's German forward #14 Karim Adeyemi, Barcelona's Spanish forward #10 Lamine Yamal, Barcelona's Spanish defender #24 Eric Garcia and Barcelona's Spanish midfielder #08 Pedri take part in a training session at the Joan Gamper training ground in Sant Joan Despi, near Barcelona, on September 8, 2026 on the eve of the UEFA Champions League first round day 1 football match against Feyenoord. (Photo by Josep LAGO / AFP via Getty Images)

Barcelona's German forward #14 Karim Adeyemi (2L) takes part in a training session at the Joan Gamper training ground in Sant Joan Despi, near Barcelona, on September 8, 2026 on the eve of the UEFA Champions League first round day 1 football match against Feyenoord. (Photo by Josep LAGO / AFP via Getty Images)