Villarreal head coach Marcelino was unhappy with the decision to send off Veiga, while he also felt his side should have been awarded a second-half penalty when Barcelona goalkeeper Joan Garcia caught Rafa Marin.
He said: ”In a second play, the penalty comes. I don't know what the difference is between the penalty and the one in which Joan Garcia gets up and shoots Rafa Marin. Our chances were clearer, beyond the penalty and a crossbar from Raphinha. Barca's most decisive player was the goalkeeper.
"We made an avoidable mistake, which is the red card. I said to the referee: 'What happens if he gets a yellow card and then goes to the VAR?' He told me that he had seen it very clearly.
"For me, it has been excess of force. For me, it is not expulsion... Well, seeing it on another camera, maybe yes. It goes at ground level. In football, you have to live in the moments. There is no twisting of the ankle. With the beautiful show we were seeing, to leave a team with ten…”
Meanwhile, Barcelona boss Flick was full of praise for Garcia after the game, saying: “He saved us on many occasions. I'm also very happy he kept a clean sheet again.”