How Brisbane, Hawthorn, Geelong and Collingwood stay on top of the AFL world

Brisbane, Collingwood, Geelong and Hawthorn — an exciting line-up of destination clubs dubbed the big four of the century.

But what is the formula for their success?

Since 2000, at least one of these teams have made it to the grand final on all but seven occasions.

Not to mention Geelong has made…