It's the job that turns seasoned, popular managers from saviours and messiahs into figures of fun and pariahs.
Poor Kegsy - loved like a messiah by the fans, but undermined by the owner and driven out despite his team starting to look half-decent at last. PICS: Fergie's best signings | Prem's most hated | Disaster Prem transfers
Even their own mums may find it hard to decide which is which.
Which Big Four side didn't figure in our best eleven from last season?
Who could Mark Hughes add to his super-rich City side?
They're not all Bartons and Bowyers, you know - find out the angelic ones.
