• 18-year-old defender scheduled to undergo medical on Friday • Deal will be Liverpool’s fourth of the summer after Milner, Ings and BogdanLiverpool hope to finalise a deal for the Charlton teenager Joe Gomez later this week with the 18-year-old scheduled to undergo a medical on Friday.It is understood that Liverpool have triggered a £3.5m release clause in the England Under-19 international’s contract, and he will now meet with club officials on Merseyside.