The rivalry has historically been good-natured but has taken on a harder edge since the turn of the millennium, with the mood between supporters souring.
One of the oldest rivalries in Gaelic football, the fixture was first contested in the 1901 Championship with Mayo winning by 2-4 to 0-3 on the day.
[6][7] The good-natured rivalry has also been attributed to the similarities between the two counties and the shared socio-economic challenges they have faced through the years.
With a total of nearly 40,000 people emigrating from the two counties from 1951 to 1966, their shared success in football was considered one of the few bright spots in that era.
"[3] Mayo dominated the Connacht Championship in the early 2010s, winning five-in-a-row and inflicting a record defeat on Galway in Pearse Stadium in 2013.
Galway's All-Ireland-winning captain Ray Silke described the mood between the supporters as having "gone a little bit dark over the last while.