I've lived on the west coast the majority of my life, so the games I've attended are limited. Still, I've been to a few memorable ones... They are as follows:
9/79 vs. UCLA at the LA Coliseum when UCLA and USC both played there.
1/80 vs USC at the Rose Bowl
12/82 vs BYU at the Holiday Bowl
9/89 vs USC at the LA Coliseum (hot miserable day)
12/93 vs BYU at the Holiday Bowl
9/94 at University of Washington (I'll never understand why Cooper chose to go for it on 4th down in field goal territory when down by 10 points...Put the easy points on the board. Of course, they failed to convert on 4th down and sealed the deal for UW).
1/97 vs ASU at the Rose Bowl (a classic)
9/98 vs Mizzou at the Shoe (my first time inside the hallowed grounds)
11/00 vs. Michigan State at the Shoe
9/8/01 vs. Akron (Tress' first game and 3 days before 911)
9/22/01 vs. UCLA at the Rose Bowl (blazing hot painful game and first game after 911)
11/01 vs. Illinois at the Shoe (Bellisari # .08 arrested for DUI day before the game)
10/02 vs SJSU at the Shoe (SJSU is my alma mater but I rooted for their dismantling that day and was not disappointed).
1/03 vs. Miami (National Championship game...'nuff said).
9/06 vs. Texas in Austin (some of the nicest fans ever...)
1/09 vs. Texas at the Fiesta Bowl (heartbreaking loss)
1/11 vs. Arkansas at Sugar Bowl (Tat V and Tress' last game...Thanks Coach)
9/11 vs. Akron at the Shoe (The first game of the legendary Fickell era and my son's first Ohio State game. Damn, was it hot that day...)
9/13 vs. Cal up in Berkeley (Buckeye Nation west)
9/14 vs. Navy in Baltimore (with my son)
....So that's an even 20.... GO BUCKS