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One thing that the AFL does well is its fixturing of games between traditional rivals or in establishing traditions, thus we have the ANZAC day clash between Collingwood and Essendon, Fremantle's Len Hall match and West Coast and Fremantle fight it out with the best on ground getting the Ross Glendinning Medal etc.
We do of course have the traditional Qld vs NSW rivalry to work on (do they play for a Cup or medal in the modern era?).
I'd like to see May the 4th (or the closest match day) be set aside for a Force vs Rebels match. A bit tongue in cheek, but could truly be a crowd favourite.