 Appalachian State became the first team since the playoffs began in 1978 to win three straight national titles in 2005, 2006, and 2007, and the first team to accomplish the feat since Army in 1944, 1945, and 1946.They are also the first Division I school in modern times to claim three straight undisputed national titles.On September 1, 2007, in what was hailed as one of the biggest upsets in American sports history, the Mountaineers shocked the fifth-ranked Michigan Wolverines, 34–32.