Dublin and Mayo have played out some fascinating and thrilling games in recent years. It is a rivalry that leaves fans of both counties breathless and possibly puts their good health at jeopardy.
Encounters between the two counties elicit extreme emotions from both sets of supporters - the same is expected today.
These are some of the best supporter images from recent years.
2006 All-Ireland semi-final - Mayo 1-16 Dublin 2-12
2012 All-Ireland semi-final - Mayo 0-19 Dublin 0-16
2013 All-Ireland final - Dublin 2-12 Mayo 1-14
2015 All-Ireland semi-final and replay - Dublin 2-12 Mayo 1-15 Replay: Dublin 3-15 Mayo 1-14
2016 All-Ireland Final - Dublin 2-9 - 0-15 Mayo
2016 All-Ireland Final Replay - Dublin 1-15 - 1-14 Mayo
Picture credit: Sportsfile