Serigio Canales reflected on the 3-0 home defeat to Swansea suffered on Thursday and the low spirits in the Valencia camp.
Los Che fell to a one-sided result in their opening Europa League game of the campaign, thanks in part to Adil Rami’s early red card.
“All the players are very disappointed. We aren't playing well at the moment and we need something to lift our spirits,” Canales told UEFA’s official website post-match.
“The Coach didn't say anything to us, which is not surprising after a defeat like that.
“The Rami red card hurt us. We are Valenica and we go out to win every game, although we must adapt when going down to 10 men.
“We knew they would want to dominate possession and they played their best football after the sending off.”