German football will head into a different direction, and very soon, after the four-time world champion suffered a second successive World Cup group stage elimination.
Despite a 4-2 win against Costa Rica at Al Bayt Stadium, Japan's victory against Spain in the same stadium ended Germany's hopes of making it to the next round.
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The loss to Japan in the opening game of the tournament cost Germany the chance to host Euro 2024.
Changes will be made to ensure that Germany are competitive at the Euro 2024 tournament, according to the coach, who didn't address his own future as coach.
We need to assess our World Cup, head into a different direction, in light of the Euros, but it is difficult to talk about that right now. We will take this next step very soon.
We can get up and get back to normal. We will be able to implement our ideas in the future. I'm a very critical person and we'll look at everything.
World Cup winners such as Muller, Neuer and Gotze are likely to be phased out of the international team.
Muller, who made his World Cup debut in South Africa in 2010, said the early exit was hard to take.
Muller described it as an absolute catastrophe. If Spain hadn't lost to Japan, our result would have been sufficient. It feels like powerlessness.
It has been a pleasure to play that game for Germany.
Spain's failure to avoid defeat against Japan was a big factor in Germany's elimination.
"It's up to us, we don't care about other teams, it's all up to us," he said. I'm pretty sure that we gave away our chances against Spain and Japan.
Taking your chances and scoring goals is what you have to do. It would have been different if we hadn't. I was angry because there were a lot of individual mistakes. I told them I was angry.
I don't want excuses. We got the victory, but the score could have been better.