I have a confession to make: I’m an AFL trade-period addict. During the 10-day period, which closed last night, I drive to the sound of trade radio, and keep a tab open on every work-related browser for a live blog of the action (or inaction as the case may be). As a Western Bulldogs fan, I’ll admit to seeking daily updates on our never-ending quest to land a name like Chad Wingard before a richer, more successful club swoops in (see: Hawthorn). This addiction of mine is shared by many though it wasn't always the case. Trade week has grown like weeds in recent years: but how and why?

The rise of player movements