The Reds have been heavily linked with a number of players in the January transfer window so far and have already concluded a deal to bring in Virgil van Dijk from Southampton in a big-money move.
Liverpool FC have also bid farewell to Philippe Coutinho after the Brazilian playmaker finally completed his move to Barcelona on Monday.
The Merseyside outfit are believed to have received a transfer fee of as much as £145m for Coutinho from Barcelona, meaning that Liverpool FC will have significant funds at their disposal if they want to strengthen their squad this month.
Former Liverpool FC star Thompson feels that the Reds are in need of a quality goalkeeper and defender, but doesn’t expect those transfers to go through until the summer.
Speaking to Sky Sports, Thompson said: “I’ve said all along the defence is the important area which needs addressing.
“I don’t think Van Dijk will solve it on his own so another centre-back, who is a real leader, and a top-class goalkeeper are required, but I don’t think they will happen in January as it has to be the right players.”
Liverpool FC are currently preparing for their crunch Premier League clash against Manchester City at The Etihad on Sunday afternoon.
The Reds are seeking revenge after they were thrashed 5-0 by the Citizens when the two sides last met in the Premier League at The Etihad back in September.
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