- Klopp reveals concerns over Liverpool's center-backs as the new season draws closer
- Joel Matip and Ragnar Klavan are both nursing hip and hamstring injuries respectively
- Liverpool will play Torin in their final pre-season game before taking on West Ham
Liverpool manager Jurgen Klopp has expressed concerns over his defensive options, with Virgil van Dijk and Joe Gomez the only senior centre-backs currently fit and available.
The Reds are due to play Serie A side Torino in their final pre-season friendly on Tuesday before facing West Ham at home in their first Premier League match on Sunday.
Joel Matip is out with a hip injury while Ragnar Klavan missed Saturday's 5-0 thrashing of Italian side Napoli due to a hamstring and both are doubtful for the Torino game at Anfield.
"Joel, we'll have to see. Klavan, shouldn't be too serious, but if Tuesday is too early I don't know yet," Klopp told the Liverpool Echo.
"Maybe we will do some magic things with the formation on Tuesday. I don't know how we will do it."
Croatia international Dejan Lovren will return to the team on Monday after an extended break after the World Cup but is a doubt for the next two games.
"Dejan didn't train so far. He probably won't play Tuesday and Sunday will be very difficult as well," Klopp added.
"The first two league games at least are in the 'pre-season' (for the World Cup players)."
The Anfield giants finished fourth last season and made it to Champions League final where they lost 3-1 to Real Madrid and in the process smashed the goal-scoring record of European football's elite competition.
"The league will be difficult," Klopp continued.
"It is not about judging our situation and thinking 'wow, really good.
"We need to be ready each week, not only for a few games. That is our challenge."
With the arrival of midfielders Naby Keita, Fabinho, Xherdan Shaqiri and Alisson, the transfer window has been kind to Klopp as the new season approaches.
Meanwhile, Legit.ng had earlier reported that the Manchester United lost 4-1 to Liverpool in a pre-season friendly played in the United States.
Jose Mourinho's side went behind from a Sadio Mane's spot-kick after Mohamed Salah was brought down in the box.
Andreas Pereira leveled matters from an emphatic free-kick while, Daniel Sturridge, Seyi Ojo and Xherdan Shaqiri scored to ensure victory for the Reds.
Who is the better coach, Mourinho or Conte? - on Legit.ng TV