Efforts from Will Wright (two), Josh Sonni-Lambie and Michael Laffey, plus an own goal, secured the points for the Reds on Saturday.
View the best of the action at the Kirkby Academy in the video above.
Watch U21s highlights: Liverpool 5-1 Brighton & Hove Albion
Watch highlights of Liverpool U21s' 5-1 victory over Brighton & Hove Albion in Premier League 2.