The 1973 Ohio State vs. Michigan football game was one of the most controversial games in NCAA history.  Both teams were undefeated that season, with Ohio State ranked first and Michigan fourth, and the game was crucial for the Big Ten Conference championship and a potential Rose Bowl appearance.  Played in heavy rain, with strong defensive play, Ohio State led 10-0 at halftime. Michigan made a comeback in the second half and managed to tie the game at 10-10, despite missed field goal attempts in the final minutes.
Controversy arose after the game, as Michigan believed they were the better team and deserved to go to the Rose Bowl. However, in a vote carried out by Big Ten athletic directors, Ohio State was chosen. This led to anger and accusations of bias.