Second-half additions from skipper Davide Petrucci (2), centre-back Michael Keane and substitute Alberto Massacci plus an own goal by Newcastle United goalkeeper Ole Soderberg gave the hosts a handsome victory - the joint-biggest win of the season so far, after Swansea City were also trounced 6-0 back in August.
With Petrucci and Paul Pogba impressively pulling the midfield strings, aided and abetted by Jesse Lingard and Larnell Cole on either flank, the Reds ultimately had too much class for a young Newcastle side light on senior experience yet full of endeavour.
Indeed the Magpies' energetic chasing almost brought them the opening goal, when a prolonged spell of keep-ball by the hosts finally broke down. Daniel Taylor took control for Newcastle and tested Sam Johnstone with a low drive. The Reds' keeper had the original trajectory covered but was perhaps lucky to still divert the shot wide after it took an awful bobble off the bumpy Moss Lane surface.
At the other end, the Reds’ grip of the midfield proceedings almost paid off when Lingard cut inside from the left and fed Petrucci. When the young Italian curled a ball into the area, Will Keane flicked it on and Soderberg took flight to ensure the header went wide.
Will Keane showed another side to his attacking prowess when he charged forward from the middle of the park, either muscling or weaving his way past four Newcastle players. In the end, he was outnumbered and forced to try and lay the ball off for Lingard, unsuccessfully, before he could