The ten factors that drive transfer fees in football

What really drives how much a player is worth in the transfer market?

Shooting stars: Which Premier League clubs spend most on their attack?

Half a billion pounds spent on new strikers since 2011 – but who has made the best buys?

Re-defining success: how well is your club really doing?

Is there a better way to judge who is over, or under, performing in the Premier League?