The Western Derby () is the name given to the Australian rules football match between the West Coast Eagles and the Fremantle Dockers, who both participate in the Australian Football League (AFL). As both teams are based in Perth, the capital city of Western Australia, the term "derby" is used to describe the match. It has become one of the most important matches for football in Western Australia, with former and West Coast player, and former West Coast coach John Worsfold claiming that in the week before a derby that it is the main topic in Perth. In 2004, during the 175th-anniversary celebrations of the establishment of the Swan River Colony, the Western Derby was named as one of 12 "Heritage Icons", in recognition of "football's key social and historical importance to the State". Referring to a melee during the Round 21, 2000, Derby, Channel Nine sports reporter Michael Thomson said the match had divided Western Australia and the "football landscape in WA has been changed forever." There are two Western Derbies every year during the home and away season. From 1995 until 2017 the derbies were held at Subiaco Oval. From 2018, all derbies will be held at Perth Stadium. There has never been a Western Derby finals match. There has been one edition held overseas – in October 2005 at The Oval in London. West Coast were the dominant team during Fremantle's early years winning the first nine derbies. Fremantle won their first Western Derby in July 1999. Fremantle are the current holders of the Western Derby Trophy after defeating West Coast by 24 points in Round 22 of the 2022 AFL season. The player adjudged best on ground in each derby match is awarded the Glendinning–Allan Medal, named after the inaugural captains of the clubs Ross Glendinning (West Coast) and Ben Allan (Fremantle). To this date there has never been a drawn derby. Notable derbies Derby XII Round 21, 2000. (AKA The Demolition Derby) An infamous derby occurred in Round 21, 2000. Both clubs were out of finals contention, the derby earlier in the year had recorded the biggest ever margin—(Scott Cummings' 10 goals led West Coast to a 117-point win), and in the lead-up both teams were talking down the importance of the game with the standard line of "it's only worth four points". However, Clive Waterhouse indicated that something different might happen by saying that