What are your favourite Showdown games and memories?

In 15 seasons of South Australia derbies between Adelaide and Port Adelaide, there have been many highlights for Crows fans ranging from individual performances to great comebacks, close finishes and a big wins.

So, with Balfours Showdown 31 heading our way this Sunday, we want to hear from you.

Tell us your favourite Showdown moments by either:

· going to our Facebook page
· using Twitter to tweet, using #showdownmoments
· commenting at the foot of this page