He is not convinced that Andrew Robertson and Kostas Tsimikas are the best options for Liverpool to compete in all competitions next season.
Lawrenson believes the team might sign a left-back and a right-back in the summer.
He mentioned that Trent Alexander-Arnold will face pressure once a new player is brought in, as everyone will compare the new player to Alexander-Arnold.
Conor Bradley has shown promise in his limited appearances, but playing every game is a different story.
Lawrenson thinks Liverpool will sign a right-back and a left-back, with the left-back position being a more pressing need.