However, Liverpool boss Klopp is not anxious about Salah's form and when asked about it in a pre-match press conference, reminded reporters of a similar start last season.
It worked spetacularly, Shaqiri forcing an early own goal, Matip scoring from a header after brilliant Salah worked forced a corner and then the third on half-time.
Shaqiri, meanwhile, enjoyed a productive 45 minutes on his full Reds debut, playing a part in the first and third strikes before being withdrawn at half-time for tactical reasons.
"I said to Shaq at half-time that I'd never taken a player off at half-time after such an influential half".
"It was not easy, to be honest", said Klopp. Usually, I don't, but here it made sense. "It's my job to sometimes deliver news nobody wants to hear", Klopp told liverpoolfc.com.
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The Reds followed up taking the notable scalp of Paris Saint-Germain in midweek with a comfortable 3-0 victory over Southampton on Saturday - extending their winning start to the season to seven games.
More impressive, it's another cleansheet for the team. You saw the free kick, it was outstanding. "If a European team, like, very European, could have a Brazilian in their squad, it would bring a "Brazilian thing" to the game and I think that's very important".
The second half was a non-event, Van Dijk was substituted 10 minutes after the restart but emerged again at the final whistle, suggesting it may just have been a precaution, while Salah had another strike disallowed for offside but by 70 minutes both teams seemed happy to accept their fate.
"Football is (about) mentality, to fight, to be available to always try to give your best and today the spirit was fantastic", said Pochettino.
That particular campaign produced a decent return of results that finished with the club finding themselves fourth in the Premier League standings and emerging runners-up in the UEFA Champions League, all due to their prolific goalscoring haul of 135 goals in all three campaigns (Premier League, FA Cup, and Champions League) despite having a very much suspect defence.