The Merseyside outfit endured a difficult summer under Jurgen Klopp as the Reds failed to land two of their big summer targets.
Liverpool were unable to get a deal over the line for Southampton defender Virgil van Dijk despite the Netherlands international handing in a transfer request.
The Reds were forced to wait another 12 months to sign Naby Keita after reaching a £48m deal to sign the RB Leipzig midfielder next summer.
Liverpool boss signed Roma winger Mohamed Salah, Chelsea teenager Dominic Solanke, Arsenal midfielder Alex Oxlade-Chamberlain and Hull City defender Andy Robertson.
The Merseyside outfit have only managed to win three games in eight outings so far this term despite their summer additions.
Former Liverpool defender Lawrenson is tipping Klopp to invest heavily in new playing staff in the summer transfer window.
“He has’t done enough defensively yet. He is under no pressure. Liverpool are cash rich at the moment. I think they’ll have a good in January,” Lawrenson told BBC Radio 5 Live.
Liverpool are in eighth place in the Premier League table last term.
The Reds were 7-0 winners against Maribor in the Champions League last term.
The Merseyside outfit have never won the Premier League title but finished in second place in 2002, 2009 and 2014.
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