For those in Yorkshire Rio Ferdinand committed the cardinal sin in 2002 - he crossed the divide. He joined a list of players who've gone from Leeds United to Manchester United.
A decade earlier a certain Eric Cantona had swapped Elland Road for Old Trafford, and we all know how that went. But Ferdinand, then an England international with the world at his feet, wanted to move.
Player power is a part of the game nowadays and there is a school of thought that suggests they perhaps have too much power.
Transfer deals are played out in public and Ferdinand would've had no problem doing so 19 years ago. Then Leeds chairman Peter Risdale had taken the club to the semi-finals of the Champions League.
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