What is the phrase describing this rivalry between two American college football teams that was ranked by ESPN in 2000 as the greatest North American sports rivalry?
1973 Ohio State vs. Michigan football game The 1973 Ohio State vs. Michigan football game was one of the most controversial games in NCAA history. In this game, both teams were undefeated, with Ohio State ranked 1st, and Michigan ranked 4th. A conference championship, Rose Bowl appearance, and possible national championship was on the line in this monumental game, part of the hotly contested stretch of the rivalry known as The Ten Year War. A then-NCAA record crowd of 105,233 watched the game at Michigan Stadium in Ann Arbor.
Clemson–Florida State football rivalry The Clemson–Florida State football rivalry is an American college football rivalry between the Clemson Tigers football team of Clemson University and Florida State Seminoles football team of Florida State University. The schools have played each other annually since 1992. Both universities are members of the Atlantic Coast Conference (ACC), and since the ACC initiated divisional play in 2005, both teams have competed in the ACC's Atlantic Division. For several years in the late 1990s and early 2000s, the matchup was known alternatively as the Bowden Bowl for the father, former head coach Bobby Bowden of the Seminoles, and the son, Tommy Bowden, formerly head coach of the Tigers.