Klopp said players need a proper break to be fresher, pointing to the case of Liverpool midfielder Jordan Henderson who played for England at the World Cup in Russian Federation.
And former striker Fowler says that despite putting themselves in contention with their strong start to the season, the Reds players are performing below the expectations of the fans and Klopp.
"I am really happy with what the boys did today", Klopp said.
"I'm over the moon to be back, I feel like it's been a long time coming but I feel like I have worked hard over the last couple of years and that it's fully deserved that I am back here", he told a press conference.
But after losing on his three previous visits to Anfield as City boss, Guardiola took the positives from taking a point from one of the few venues the champions were defeated last season.
"It was not smart from me personally and hopefully it will never happen again".
"That's why I say going away is not a big problem but now you call a manager of any country and ask him to leave out one or two players and he says, "I am under pressure as well" because now it's Nations League".
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We won the European Championship that year and there's no better feeling than winning something with your country. We have a lot of young talent, and even though I wasn't part of the World Cup squad, I can see everyone is developing really well now and if we can keep progressing over the years, there will be more success down the line. Don't write Chelsea out but they need a real "goal-getter".
He is now with the Brazil national squad - along with Liverpool teammates Alisson Becker and Roberto Firmino - for friendlies with Saudi Arabia and Argentina in the coming week.
"We were close more than ever to win here".
"I've been through hard spells but I'm coming out of it a better player".
"I joined with a long term injury".
Usually, by the time we've trained and I've had treatment and eaten at the training ground, it might be six or seven o'clock so when I'm back home around eight, I'll just put my feet up and be ready for the next day.