Villarreal beat Atalanta 3-2 away in a game postponed from Wednesday because of heavy snow in northern Italy.
Gerard Moreno is also the first player to score 30+ goals for Villarreal in a single season in all competitions since Giuseppe Rossi.
Polish champions Legia also lost in the Champions League third qualifying round, going out to Dinamo Zagreb.
Consequently, the 2023 UEFA Champions League final originally to be played in Munich will be moved to 2025.
UEFA said its executive committee made the decisions as part of a settlement agreement recognizing the efforts and financial investment put by Dublin and Bilbao to prepare for Euro 2020.
Villarreal clinched the title with a victory over Manchester United in a penalty shootout on Wednesday in Poland.
English football clubs and players boycotted social media for four days in April and May to protest against racist abuse and push for more action from the companies which run the platforms.
Europa League final: We didn't play as well as we know we can, laments Manchester United coach Solskjaer
Manchester United goalkeeper David de Gea ended up missing the decisive penalty in the shootout and this gave Villarreal a famous victory in the final.
For Villarreal coach Unai Emery it was a record fourth Europa League title, and it offered a measure of redemption after he was fired by Arsenal last season.
Up to 30 attackers may have been involved, Gdansk police spokesman Michal Sienkiewicz told Polish broadcaster TVN24 on Wednesday.
United is just one game away from registering their first title win under Ole Gunnar Solskjaer.
England's first game of the European Championship is against Croatia on June 13, and team manager Ole Gunnar Solskjaer's latest update suggested Maguire wasn't too far away from returning.
There is no fracture, hopefully Harry Maguire will be ready for Europa League final: Manchester United gaffer Ole Gunnar Solskjaer
Manchester United skipper Harry Maguire is now racing time to be fit for Europa League final date against Villarreal on May 26.
Simeone has worked wonders with Atletico Madrid since being appointed in late 2011 and winning the Europa League just six months later.
Koke could play off the front two of Griezmann and Diego Costa, offering the same kind of threat that saw him score the winner at Getafe in La Liga at the weekend.