Lawrenson told the Liverpool Echo: "[Glen] Johnson has been found out. This World Cup has exposed the defensive frailties many of his detractors have targeted in years gone by.
"But if I were Liverpool I would still want to hold on to him. At the moment there are very few players available in that position that are actually better than him.
"The best thing to do would be to get a youngster like Calum Chambers from Southampton. Give Johnson another year and allow someone like Chambers to really compete and push him for a place in the starting 11."