Barcelona Star shows that everyone lost their faith in Coeman: Everyone tried to fix things on their own.

Blaugranas defender says there was no “mosphere” in the dressing room under Dutch direction, but he expects Xavi to have an immediate impact.

Koeman's 14-month mandate ended after Rayo Vallecano lost 1-0 last month, with the result deepening the Barca crisis even more.

The Dutchman failed to hold the ship after the turbulent summer that he saw players like Lionel Messi and Antoine Greezmann leaving the club, and Mingueza says he also lost confidence in his dressing room.

The Spanish defender, who was said to be disappointed with Koeman after he was severely replaced in a clash with the Getafen last season, has acknowledged that a change in the sphere was needed to address Barca's recent slide.

The dressing room needed a change”, the Mingueza for Esport3 said. There was no atmosphere. The players were unhappy. And when you're not well and things don't go, you need a change.

“Ekipi stopped believing [Coeman methods] and everyone tried to fix things on their own. We were neither good nor collectively.

When dynamics are not good, everyone does what they can, but we lack self-confidence”.

Barca moved quickly to restore Xavi to Camp Nou as their next permanent manager, with a legend of the club that handed in a two-and-a-half-year deal after breaking up with Qatar's team, Al Sad.

Xavi will take the lead in his first match when Blaugrena faces Espanyol this weekend and Mingueza is convinced he will have an immediate impact.

“Xavi's training is very focused on the idea of what we want to do on field”, he said. “It's good we have a clear idea and we all work in a specific way to get a good result as a team.

I'm sure things will change and improve now. And I don't think we're gonna have to wait two or three months to see those changes. Starting this weekend, we're going to see new things”, the defender has stressed the blaugranas.