The Backyard Brawl is an American college football rivalry between the University of Pittsburgh Panthers and the West Virginia University Mountaineers. The term "Backyard Brawl" has also been used to refer to college basketball games played annually or semi-annually and may also be used to refer to other athletic competitions between the two schools. It is a registered trademark for both universities, and refers to the close proximity of the two universities, separated by 75 miles (105 km) along Interstate 79.