Edinburgh Rugby is one of the two professional rugby union teams from Scotland. The club competes in the United Rugby Championship, along with the Glasgow Warriors, its oldest rival. Edinburgh plays the majority of its home games at Edinburgh Rugby Stadium.

Ulster Rugby is one of the four professional provincial rugby union teams from the island of Ireland. They compete in the Irish regional pool of the United Rugby Championship and in the European Rugby Champions Cup, each of which they have won once. Ulster were the first Irish team and the first team outside England and France to win the European Cup in 1999.