Jürgen Klopp changed his entire XI for the Carabao Cup third-round tie, handing first-team debuts to Rhian Brewster, Harvey Elliott and Caoimhin Kelleher.
It was the experienced Milner who broke the deadlock when his 41st-minute drive was fumbled into the net and Ki-Jana Hoever secured a 2-0 win with an emphatic second-half header.
Milner was satisfied with the manner of the Reds’ display and welcomed the emergence of youngsters pressing for senior opportunities.
“It’s always tough when you have a mixture of guys who haven’t played many minutes and a group of youngsters, but you could see the style of football we wanted to play,” the No.