Substitute Adam Pepper did pulled one back with a minute left when his free-kick evaded the clutches of Devlin. But it proved to be little more than a consolation effort. but it proved too little, too late to affect the outcome.
Liverpool remain fifth in the Group C table and are not back in Academy League action until Saturday, December 5 when they visit Stoke City.
Before that they will start on the road to what they hope will be a fourth FA Youth Cup final appearance in the last five years against Wolves at Anfield on Monday night (kick-off 7pm).
The Kop will be open for spectators and admission is £4 for adults and £2 concessions (aged 16 or under and senior citizens).
LIVERPOOL UNDER-18s: Oldfield, Flanagan, Robinson (Ihiekwe 84), Sama, McGiveron, Coady, Wisdom, Roberts, Ellison, Adorjan (Pepper 62), Ince. Subs: Chamberlain, Roddan, Ngoo.
