Liverpool's hopes of finishing second were severely dented as they were held to a goalless draw by Stoke City at Anfield on Saturday.
The Reds are said to be monitoring the Dutch international as Jurgen Klopp eye's reinforcements in January.
Napoli playmaker Lorenzo Insigne is being considered by Liverpool as a potential replacement for Philippe Coutinho amid heavy speculation surrounding the Brazilian's future.
The Reds are on the hunt for a replacement for Danny Ings, who has been ruled out for the season
The Liverpool boss has made the made highly-rated American forward a prime target following striker Danny Ings' long term injury.
Danny Ings was dealt a cruel injury blow once again after being effectively ruled out for another season owing to a ligament tear he suffered after a tackle during Liverpool's EFL Cup clash against Tottenham Hotspur
David Moyes' attempts at bringing English striker Danny Ings on loan to the Stadium of Light have been rebuffed by Liverpool.
Liverpool kick-started their pre-season campaign with a win over Conference side Tranmere Rovers. Returning from his ACL injury, Danny Ings scored the decisive goal for the Reds in the second half.
Villarreal boss Marcelino Garcia Toral believes the atmosphere at Anfield will do little to intimidate his players stating that the electric atmosphere will instead serve as an inspiration for them to perform at the highest level.
Zlatan isn't on the wishlist of the Premier League club he wants to join, even as a free agent. On the other hand, Liverpool are waiting to find out how much they have to pay for the English striker they acquired last season.