Having parted with the Brazil international during the January transfer window, those at Anfield were forced to make do until the end of the 2017-18 campaign.
They fared admirably enough, with Mohamed Salah, Roberto Firmino and Sadio Mane leading the charge towards a top-four finish in the Premier League and the Champions League final.
Jurgen Klopp has, however, been exploring creative options this summer – with a move for Lyon playmaker Fekir shelved following medical issues – and a big-money deal is expected at some stage.
Former Reds winger McManaman told The Express: “The fact that he’s looking at that position suggests that he wants someone.
“So I presume he’ll try and find a replacement. A number 10 type player.
“When Coutinho went, I know they haven’t missed him because the front three have played so well, but I think it showed that if one of them gets injured they certainly need back up.
“They’ve got [Adam] Lallana, but the fact they’re looking at that position, an eight or a 10, shows where Jurgen wants to bring somebody in.”
While expecting Liverpool to bolster their ranks in the midfield department, McManaman also believes a new No. 1 will be brought in.
Loris Karius’ disastrous showing in the Champions League final, even when taking a concussion into account, has further highlighted the need for a reliable option between the sticks to be found.
Ex-England international McManaman added: “I think Jurgen will look at the goalkeeper position, definitely.
“The fact there’s been so many rumours about [Jan] Oblak, Alisson, [Thibaut] Courtois, whoever it is, I think it’s an area they have been looking at and will be looking at.
“Anywhere you can spend on the team right through - central defenders, he’s bought midfielders, wants a number 10, that spine of the team, I think managers will look at players who are available and if they can improve the team you have to look at it to be honest.”
Liverpool have been linked with a number of goalkeeping options, with the Reds eager to make additions as soon as possible after discovering their schedule for the 2018-19 Premier League season.