Rodrigo Moreno, the scorer of the second goal, put Barcelona in a state of shock. The Valencia striker made it 2-0 after a great move by Soler down the right.
Robert Lewandowski scored a brace as Bayern Munich wrapped up a domestic double with a 3-0 win over RB Leipzig in the German Cup final on Saturday.
Valencia took the lead in the Copa del Rey final with 21 minutes on the clock when Rodrigo Moreno finished off a good move which started with a long move which Gaya controlled and then he put a perfect ball for Gameiro to fire home after the Frenchman dribbled past Lenglet.
Rodrigo Moreno had the first dangerous opportunity of the Copa del Rey final. He took advantage of a defensive error, but after going round Cillessen, he got overconfident and Pique cleared off the line.
Atalanta have thrilled in Serie A this season, but Gian Piero Gasperini is desperate to ensure they do not fall short of the top four.
Paris Saint-Germain coach Thomas Tuchel has promised improvement from his side after the Ligue 1 champions' disappointing end to the season.
After a difficult season, Philippe Coutinho has been passed fit to start the Copa del Rey final as he looks to quieten his critics.
Neymar arrived at Brazil's national team headquarters near Rio de Janeiro on Saturday as the country begins its preparations for next month's Copa America tournament.
Neil Lennon was offered the Celtic manager's job on a permanent basis after the Hoops completed an unprecedented third consecutive domestic treble by lifting the Scottish Cup on Saturday.