In 2007 they beat Ohio State. In 2003 they beat Oklahoma.
Ohio State beat Notre Dame 34-20 on January 2, 2006.
Both teams: 91 points in 1980 when Ohio State won 49-42. Ohio State: 51 points in 1962 when they beat Illinois 51-15. Illinois: 46 points in 1999 when they beat Ohio State 46-20 and in 1904 when they beat Ohio State 46-0.
1965 (Alabama) and 1966 (Notre Dame) they spilt the national championship and in 1962 they won it outright.
The only MAC school to beat The Ohio State University was Akron in the 19th century, when they defeated Ohio State 12-6 on Sept. 5, 1894. UA was then Buchtel College
In the 1974 rose bowl, 42-21
As of the start of the 2007 season, Wisconsin and Ohio State had not played since the 2004 season. In 2004, Wisconsin defeated Ohio State 24-13.