Olympiacos coach: I can’t understand the second yellow card. I asked to see VAR but was refused

In the third round of the UEFA Champions League, Olympiacos suffered a disastrous 1-6 defeat against Barcelona in an away game. After the game, visiting team coach Mendiliba was very dissatisfied with the referee's decision.

About my feelings

I feel terrible and in a very bad mood. We had chances in the first half and performed well. We were in trouble in the second half because of that penalty, but it was over quickly. The second yellow card (for Herze) was just incomprehensible. Coupled with that penalty, they were completely stealing our chances today.

Regarding the second yellow card VAR did not intervene

I really don’t understand this situation because this yellow card turned into a red card. You ask the referee to look at VAR, but he doesn't agree.

About the penalty kick

The referee and I saw the same picture. At the last moment, my goalkeeper put away his arm. I was sure that he did not touch the opponent. Instead, the opponent may have touched my goalkeeper. VAR should think so too. With this penalty and one less player...