The sight of keeper Alisson Becker limping off the field with a muscle injury was another concern and while there were plenty of positives as the European champions started the Premier League season with a convincing win, some problems were also highlighted.
The Brazilian was forced off in the 39th minute after his leg buckled while preparing for a goal kick.
The former West Ham stopper, who was released in the summer after falling behind Lukasz Fabianski in the Hammers pecking order, now faces an extended run in goal for Liverpool - and Klopp has admitted to Liverpool's official website that he must protect Adrian and ensure that he is well looked after.More news: OnePlus TV Official Name, Logo Revealed Ahead of Formal Launch
Every player wants to play for his country and I treasure all of my Ireland caps, but it seems unfair that Mane was still playing for Senegal in the middle of July and then has to come back to Liverpool and play in the Premier League a few weeks later. This is our next opportunity to do so and it'd be great if we can take it.
"I saw already [people saying] six weeks and stuff like this, but Ali was not a lot injured in his career, so I would like to wait a little bit to see how he develops in that process now".
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The Spaniard is expected to retain his position between the Reds' sticks until Alisson returns to training next month, with our televised trip to Anfield on September 14 a fixture he may be able to return for.
"Of course we have to find a solution in the short term and that will be, if nothing happens from now to then, Andy Lonergan", the Reds boss added.
"So that's a very experienced solution but in the moment when Caoimhin is back then obviously Adrian is No.1, Caoimhin probably No.2 but we have to see how then he can have some games with the U23s or U21s [so] that he gets match practice as well". We spoke a lot about the goalie situation apart from what we have to do [on Wednesday]!More news: Argentina’s peso, stock exchange plunge after President Mauricio Macri vote defeat