You'd like to think that the people at the top end of your football club got there because of their supreme intelligence and their savvy business minds.
But sometimes things happen in football that no one in their right mind can justify.
Yesterday such an occurrence...occurred in west London, at a little club called Chelsea.
The Blues completed the £20m+ deal for Benfica star Nemanja Matic. 'Nothing wrong there', I hear you say. Matic has been in terrific form for the Portuguese club and should be a terrific asset for Jose Mourinho.
But Matic used to play for Chelsea didn't he? And wasn't he given away for free in exchange for another Benfica star David Luiz just three years ago?
Stupid, stupid, stupid. But don't worry, Roman Abramovich, you're not alone in the stupid club.
Here we take a look at seven transfer decisions that defy belief.