1991 Semifinals (at Ball State) Ball State def. Ohio State 3-1 (8-15, 16-14, 16-14, 15-13) Indiana-Purdue def. Wisconsin-Milwaukee 3-0 (15-5, 15-5, 15-1) Championship (at Ball State) Indiana-Purdue def. Ball State 3-2 (15-4, 10-15, 12-15, 15-12, 15-13)