How big was it?
Ask yourself this instead: when was the last time Duke won a game as big as Saturday’s win over Notre Dame?
You could obviously argue last year’s Pinstripe Bowl. That was pretty big.
Before that? The Spurrier-era pasting at Chapel Hill? Where Duke won 41-0 - and posed under the UNC scoreboard? After that, UNC started turning off the scoreboard after the game.
Pretty satisfying, a legendary rivalry win, but basically that’s it.
You’d probably have to go back to the 1970 upset of Stanford at Stanford, where Duke beat the #10 Indians (Stanford adopted the Cardinal nickname the following year following protests) 9-3 to find a game that was as big for Duke football as this one is.