That's the view of former West Ham striker-turned-pundit Tony Cottee.
Coutinho has been strongly linked with a move to Barcelona this summer with the Catalan side desperate to find Neymar's replacement before the transfer window shuts later this month.
However, Liverpool insist he won't be sold and have already rejected two bids.
But Cottee reckons the Reds should cash in on him if they want to sign any more players.
Jurgen Klopp has already expressed his concerns over Liverpool's defence and their need to strengthen after conceding three sloppy goals in their 3-3 draw with Watford on Saturday.
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