New signings Arnau Puigmal and Largie Ramazani are named.
The young Reds were beaten in the 3rd-place play-off by Club Brugge.
A late Callum Gribbin penalty completed a hattrick for the youngster and was the equaliser for visiting United.
Angel Gomes, Josh Bohui and Indy Boonen were also on the scoresheet as United's under-18s made it eight wins from 12 games.
Man Utd's under-18s have now scored as many goals in their first 11 games of this season as in the entirety of 2015/16.