I was looking at his Wikipedia page the other day and it's quite amusing to see how defensively poor his teams have been.
He's managed 244 games in his career so far and his teams have scored 358 goals.
That's not bad, an average of pretty much 1.5 goals per game.
However, his teams have also conceded 342 goals, an average of 1.4 goals per game.
Considering he was an international level defender as a player, he has no idea how to organise a team defensively.
It was almost a trademark when he was here that we'd lose the ball in the opposition half and watch the opposition score on the counter attack. The number of times I saw that exact scenario happen must have been well into double figures.
We're not as bad defensively now, although the games are just as bland to watch because there's little to no excitement in them