"If someone wants to see it in a hard way - maybe August and September before the Champions League starts, before the EFL Cup starts - one or two players might think they don't play enough, but after that we will need them all constantly".
Croatia global Dejan Lovren will rejoin the squad on Monday after an extended break following the World Cup but is a doubt for the next two games.
Goalkeeper Alisson Becker, Fabinho, Naby Keita and Xherdan Shaqiri all made their Anfield debuts for Liverpool with the latter impressing with an assist for Daniel Sturridge to score the third goal after Roberto Firmino and Georginio Wijnaldum had given the hosts a 2-0 lead.
But asked at a news conference on Tuesday about the possibility of further signings or departures prior to the window shutting, Klopp replied: "We will see". I don't know. I'm happy about the game tonight and about what we did, the whole atmosphere.
Jurgen Klopp will undoubtedly be happy with what has been a very successful pre-season for Liverpool.
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The 26-year-old's two children both live in Madrid where Courtois was sent on loan to Atletico shortly after joining Chelsea . But I have my head here and I intend to continue in the club unless the club wants to sell me.
On Ings' future specifically, he added: "It's all open, what can I say?" "He probably won't play Tuesday and Sunday will be very hard as well", continued the German, who is known to stick to a very rigorous training strategy.
But Klopp believes his existing squad members, such as Jordan Henderson, will continue to play a pivotal role as they chase success on multiple fronts.
Despite opening their Premier League campaign against West Ham on Sunday, Jurgen Klopp named a strong team and was rewarded by seeing key players get valuable game time. "More consistency - we were not inconsistent, but we can be more consistent", he said.
"But it is Hendo, so to be honest in the first session it looked like he trained for the whole three weeks".
'He was in a really good shape so we thought a few minutes tonight would be possible.