Whether you have the finest line up in footballing history, or a rag tag bunch of little known names, a manager can make or break the fortunes of a team. In this blog we're celebrating the very worst of the worst, naming and shaming the football managers who could have had it all but drove their teams into the dirt. Stand by for our wall of shame...
John Carver After taking over from Alan Pardew in January 2015, egotistical manager Carver led Newcastle to a string of humiliating defeats, racking up a string of eight league defeats – a feat achieved only once before in the club's Premier League history.
Tony AdamsMr Adams turned Pompey from a comfortably top half finishing team under Harry Redknapp into a squad staring into the abyss of relegation. The one-time Arsenal captain managed to pick up a paltry 10 points over the course of 16 matches before his ignominious departure in 2009.
Ossie ArdilesArdiles' 1994 second season instigation of a, frankly bananas, five man front line, one man midfield game was a disaster. But disasters can be rectified. Ossie's, alas, was not. The Tottenham manager stuck to the formation like a crazed sea captain to the wheel of a ship in a typhoon, leading the club to concede 33 goals in just 15 games – and cementing Hotspur's reputation for decent players who never quite make it work.
Egil OlsenThis gentleman has the dubious honour of having virtually erased a club from the map. In 1999, things were looking up for Wimbledon. Their direct approach was evolving into a more patient style of play and then – in walked Olsen (AKA Drillo) in his Wellington boots, advocating a long ball approach with a zonal marking technique which plunged the team into obscurity pretty much for good.
Graeme SounessOn the pitch in his glory days Souness was the real deal, as a manager Graeme was a complete disaster zone, alienating virtually every player and colleague he worked with to drive club after club into serious trouble, from Newcastle to Benfica. It was at Liverpool, however, that Souness wreaked the most havoc, turning the UK's most successful club into a club fighting for its reputation – long term.
Have we missed any truly disastrous managers from our list? Do all of our picks deserve their place? Have your say with other armchair pundits in the Base London Facebook group.