Madueke was not injured as he missed out on making the squad here, and Maresca instead named a bench that included two goalkeepers and a pair of academy graduates.
The pressure was on United to come out stronger in the second half and give the travelling fans some festive cheer but Fernandes provided a moment of madness to hinder their chances.
There will be talk of Ruben Amorim needing 'four or five transfer windows to turn things around at Manchester United' but the embarrassing weeds must be removed first.
With tensions at fever pitch as Geoff Eltringham blew his whistle, Baah could not resist rubbing salt into the wounds of the travelling fans in peculiar style.