Edin Dzeko, Daniele De Rossi and Kostas Manolas scored the goals which broke Catalan hearts and sent shockwaves around Europe.
According to Ivan San Antonio of the same outlet, Valverde had a similar message: "We're sorry for them, for the disappointment".
The agreement was signed by UNWTO Secretary-General Zurab Pololikashvili and Barca President Josep Maria Bartomeu.
Andres Iniesta has made a decision over his future and it is a realistic possibility that he will leave Barcelona in the summer, Goal understands.
In the last five games, AS Roma has won two games, lost two games and drawn one game whereas Barcelona has won four games and drawn one game. "[Roma] were very aggressive, they played very well and we have to congratulate them".
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"The dream for all of us was to reach the semis and I'm very sorry to all the Barcelona fans in the world", he told Catalunya TV.
"Valverde's conservatism took its toll", said newspaper Marca, criticising the coach for not rotating his team in league games despite having the Spanish title practically wrapped up, leading to his players suffering from over-exertion.
Ernesto Valverde's side sit top of the table, 11 points clear of Atletico Madrid.
"It will be very hard to recover", said veteran Barcelona midfielder Andres Iniesta, who most likely played in his last Champions League match.
"We're out of the Champions League, which we didn't want after a good result in the first leg. but that's football".
La Liga leaders Barca will look to bounce back from their Champions League exit when they host Valencia on Saturday.