It's a game renowned for its accuracy and depth of detail, with an international scouting team the envy of any Premier League club, but that doesn't mean that Football Manager (and it's earlier incarnation Championship Manager) always gets it right.
Predicting which young talents will thrive and flourish into the next Messi and which will have as much impact on the real game as the completely fictional Tó Madeira is a hard job for even the most experienced scouts.
And that's even more true when your game is so influential that it can only add to the pressure of a teenage kid being branded "the next big thing"!
Yes, two decades ago Championship Manager may have alerted armchair pundits around the world that a teenage Bosnian-Swedish striker at Malmö FF could be picked up for a bargain and still be banging them in at the highest level a twenty years later. But what about the Congolese-Swedish midfielder at Derby who was set to be the best in the world? Whatever happened to him?
For every Zlatan there's a Tonton. The virtual Ballon d'Or contenders may have attained legendary status on the PC, but never really cut it on the pitch. These are the ten greatest Football Manager icons whose real-life careers ended up going very differently.