sentences:  Ohio State was dominating the Big Ten and the chances of the game having an impact on the national championship appeared remote.However, as the Longhorns took a Saturday off to prepare for their upcoming game on Thanksgiving Day with Texas A&M, Michigan and its upstart coach Bo Schembechler upset the Buckeyes 24-12 in Ann Arbor.Texas and Arkansas moved up to the top of the polls, and the move to December made the game the focus of the entire American sporting public, gaining a television rating of a 52.1 share, meaning more than half the TV sets in use in the country were tuned to this game.