Auburn won a national title in the early-mid 90s, didn't they?
Clemson/South Carolina is the most underrated rivalry in the nation. Seriously. I can't remember when it was (in the last 20 years I know), but a near-riot started when a group of Carolina fans got onto the field somehow before the game wearing a bunch of Clemson practice gear and making them look like retards. The game was at Clemson that year. I think the guys who played the prank needed a small army of police to protect them.