http://en.wikipedia.org/wiki/List_of_Ohio_State_Buckeyes_bowl_games
Cotton Bowl Classic W 28–12 January 1, 1987 1986 Texas A&M Aggies Cotton Dallas 74,188 Earle Bruce
Sugar Bowl W 24–14 January 1, 1999 1998 Texas A&M Aggies Louisiana Superdome New Orleans 76,503 John Cooper
I'm counting it