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Saturday, 22 May 2010

Unfairness in the AFL draw

When you have 16 teams and 22 home and away rounds it is difficult to make the AFL draw fair for all teams. However, you might assume that the number of games played between certain pairs of teams would even out over multiple seasons. However, for reasons including minimising player travel and maximising crowd attendances this does not happen.

The chart below shows how many matches were scheduled from 1995 to 2010 between the two Western Australian teams, the West Coast Eagles and the Fremantle Dockers, compared to the Eagles versus the Brisbane Lions.



In sixteen years, the Eagles and Dockers played against each other 50% more often than the Eagles and Lions. If the Dockers were weak during that period and the Lions strong then that is a good outcome for the Eagles, but not for overall fairness in the competition. It's certainly a long enough period for all pairings to be scheduled evenly.