Barcelona's midfielder Andres Iniesta (C) receives the trophy after the team won the Spanish Copa del Rey (King's Cup) final football match FC Barcelona vs Deportivo Alaves at the Vicente Calderon stadium in Madrid on May 27, 2017, Barcelona won 3-1. (AFP)

FC Barcelona's supporters wave flares as they celebrate their team's 29th Copa del Rey title at the Canaletes fountain on Las Ramblas, in Barcelona on May 27, 2017 after the Spanish Copa del Rey (King's Cup) final football match FC Barcelona vs Deportivo Alaves at the Vicente Calderon stadium.
Barcelona won 3-1. (AFP)

Arsenal's players celebrate after their win over Chelsea on the pitch after the English FA Cup final football match between Arsenal and Chelsea at Wembley stadium in London on May 27, 2017. (AFP)

Chelsea's Italian head coach Antonio Conte reacts on the pitch after their defeat to Arsenal after the English FA Cup final football match between Arsenal and Chelsea at Wembley stadium in London on May 27, 2017. (AFP)

An unidentified man (centre right) joins the players on the pitch as they celebrate after the English FA Cup final football match between Arsenal and Chelsea at Wembley stadium in London on May 27, 2017. (AFP)

Arsenal's Welsh midfielder Aaron Ramsey (C) and Arsenal's English midfielder Theo Walcott celebrate on the pitch after their win over Chelsea in the English FA Cup final football match between Arsenal and Chelsea at Wembley stadium in London on May 27, 2017.
Aaron Ramsey scored a 79th-minute header to earn Arsenal a stunning 2-1 win over Double-chasing Chelsea on Saturday and deliver embattled manager Arsene Wenger a record seventh FA Cup. (AFP)

Arsenal's French manager Arsene Wenger lifts the FA Cup trophy after their win over Chelsea in the English FA Cup final football match between Arsenal and Chelsea at Wembley stadium in London on May 27, 2017. (AFP)

Barcelona's defender Gerard Pique (C) holding his son Sasha cuts a part of the net at the end of the Spanish Copa del Rey (King's Cup) final football match FC Barcelona vs Deportivo Alaves at the Vicente Calderon stadium in Madrid on May 27, 2017.
Barcelona won 3-1. (AFP)

FC Barcelona's supporters wave flares as they celebrate their team's 29th Copa del Rey title at the Canaletes fountain on Las Ramblas, in Barcelona on May 27, 2017. (AFP)

Arsenal's Welsh midfielder Aaron Ramsey (2nd R) celebrates with Arsenal's English defender Rob Holding (R) after scoring their second goal during the English FA Cup final football match between Arsenal and Chelsea at Wembley stadium in London on May 27, 2017. (AFP)

Barcelona's Argentinian forward Lionel Messi (L) celebrates with teammates after scoring the opener during the Spanish Copa del Rey (King's Cup) final football match FC Barcelona vs Deportivo Alaves at the Vicente Calderon stadium in Madrid on May 27, 2017. (AFP)

Barcelona's coach Luis Enrique holds up the cup after the team won the Spanish Copa del Rey (King's Cup) final football match FC Barcelona vs Deportivo Alaves at the Vicente Calderon stadium in Madrid on May 27, 2017.
Barcelona won 3-1. (AFP)

Barcelona players and staff pose with the trophy at the end of the Spanish Copa del Rey (King's Cup) final football match FC Barcelona vs Deportivo Alaves at the Vicente Calderon stadium in Madrid on May 27, 2017.
Barcelona won 3-1. (AFP)