#4 Domenico Tedesco (Schalke 04)
Schalke's rapid ascent in the Bundesliga pyramid under Domenico Tedesco last season was one of the biggest talking points emerging from the league. After all, the Royal Blues went on from finishing 10th in 2016/17 under Markus Weinzierl to runners-up to champions Bayern Munich under the 33-year old Italian last year.
It was an incredible achievement for a side that hadn't graced the elite bracket of top four German sides since the previous three years, and not finished second in eight.
But now, just over six months later, the Rhine Valley outfit is perilously meandering near mid-table mediocrity again. Twelfth in the standings with 22 points from 19 games and just a single victory in the last seven, Tedesco's achievements with the team now appears to be a distant memory.
In fact, he's now walking on eggshells. His job is on the line. And if results continue to be just as poor, it won't be long before he's shown the exit door.
Schalke are not the same menacing side of last year, neither the team with a robust backline that boasted the best defensive record behind only the Bavarians. Their 2018/19 version is spineless, toothless and admittedly directionless. It can't hold on its advantage, and certainly can't fight back from a deficit.
Tough times for Tedesco.