When sports historians, analysts, and passionate fans debate the greatest college football upset of all time, the nineteen ninety-seven matchup between the unranked Michigan State Spartans and the top-ranked, undefeated Ohio State Buckeyes frequently anchors the discussion. Another widely cited monumental shockwave occurred when Appalachian State defeated the powerhouse Michigan Wolverines at the Big House in two thousand and seven, standing as an unforgettable David-versus-Goliath moment that completely reshaped college football lore and captured international headlines.