Barcelona's hopes of winning a domestic double came crashing down as Valencia pulled off an incredible upset to beat the Catalan giants 1-2 in Seville on Saturday.The Copa del Rey was supposed to be Barcelona's consolation after having crashed out of the Champions League earlier this month.The Spanish champions squandered their three-goal lead against Liverpool as they appeared to be a shadow of themselves at Anfield in the second leg of their semi-final fixture.Kevin Gameiro opened the bank for Valencia with a phenomenal strike in the 21st minute before Rodrigo headed in their second goal to further extend their lead.Barcelona's only hope came in the form of Lionel Messi's 73rd-minute goal but the Catalans came up short by the final whistle.The defeat, coupled with Barcelona's Champions League exit, puts manager Ernesto Valverde's future up in the air, with fans growing increasingly discontent with the Spaniard.However, club president Josep Maria Bartomeu appears to have confirmed a stay for Valverde, with the manager looking relaxed in the post-match conference.Speaking after the game, Valverde said, "I feel good, but when you win, you are happier. The reading of the game is different from the one we played 15 days ago, but the reality is that we have lost again.""We have not fulfilled the expectations created. We thought about the treble and we lost ourselves on the road at the decisive moment. It is evident that we are here to win titles.""I'm fine, what we – the coaches – want is a rematch, to fight to have a challenge ahead.""I know that losing is hard, something has failed. This responsibility is difficult and it has to be assumed."Fans have since taken to Twitter to react to Barcelona's disastrous end to their season:Barcelona Board to Valverde on Monday 😁😁 #BARVAL #CopaDelRey pic.twitter.com/NbAuf4yzKS— That guy OsasCruze (@ItsOsas_) May 25, 2019Messi when Barcelona fans send him a message that they're blaming Valverde for their loss to Valencia #copadelrey #BARVAL pic.twitter.com/q5hsWxtGTg— Lérd Chigbo ā (@itschigbo) May 25, 2019The trendBarcelona wins: TL is flooded with 🐐 MessiBarcelona losses: Valverde should quit.Excuse for a club!!!🤣🤣Credit to Valencia joor👏👏👏 #CopaDelRey pic.twitter.com/8atwsdxQiL— Abd'h Muh'd (@muhdy9ted) May 25, 2019Cup finals Leo Messi has played in and lost:• World Cup❎ 2014• Copa America❎ 2007❎ 2011❎ 2015• UEFA Super Cup❎ 2006• Spanish Super Cup❎ 2012❎ 2015❎ 2017• Copa Del Rey❎ 2011❎ 2014❎ 2019😩 pic.twitter.com/ICcZdPeoVa— Ayodeji Ayodeji (@AyodejiX2) May 25, 2019When we Barcelona fans realize that losing the Copa del Rey final means Valverde will get sacked.(Hopefully 🙄) pic.twitter.com/0slgirpBAi— Abdul Afaan (@_abdulafaan_) May 25, 2019Finals lost since 2014: Messi: 7Ronaldo: 1 Not everyone is a big game player.#CopaDelRey pic.twitter.com/aYcK1fZ3pK— Ahmed (@Kingofucl) May 25, 2019This is ur goat promising a Treble to Barcelona fansEnd of Season: one trophy Messi is a scam #CopaDelRey #BARVAL @MisturBets @itytipster pic.twitter.com/HRq9NsRXuN— Oluwa_Pikin (@adamu_shiba) May 25, 2019Barcelona players in the dressing room after purposely losing the Copa del Rey final so Valverde gets sacked pic.twitter.com/vzPZmvZRHU— Football HQ (@FootbaII_HQ) May 25, 2019Messi walking into the Valencia changing room knowing they "single-handedly" got Valverde fired#CopaDelRey pic.twitter.com/cooBhJS9N9— Kevin Mesto (@MezzalaMesto) May 25, 2019Barcelona after facing Liverpool:• UCL exit • Lost Copa del Rey final • Still in Messi's head• Still in Pique's head • No double for Barcelona • You can have Suarez and CoutinhoWe're going to Madrid on the 1st of June. 🤫 pic.twitter.com/MenlRm8YFb— Señor 🇪🇸 (@EnRouteAnfield) May 25, 2019Cristiano Ronaldo in his DEBUT season for Juventus won them the Super Cup against AC Milan.Lionel Messi has been in Spain for 16 years , stat pads in the League against teams like Valencia yet couldn't win Barcelona the Copa Del Rey final against them.Levels. pic.twitter.com/PRd0uUZEpA— TeamCRonaldo (@TeamCRonaldo) May 25, 2019