It's a combination of Mellon's tactics, an injury which kept him out for weeks and a few knocks on international duty.
Still has some class touches when he gets the ball but it invariably breaks down due to lack of support from his team-mates.
United welcome free-falling Killie to Tannadice on Wednesday evening.
With 6 defeats in 7 games, will Alex Dyer still be in charge for this game?
Will Mellon finally throw the tedious 3-4-3 experiment in the bin? I doubt it.
Not been impressed by Hearts conduct in the last year but when I think of the 'protest' potential if Celtic lose it has to be a Jambo victory.
A Brown red card would be nice too.