Openers are supposed to be tune-ups — cupcakes, shakeout runs, 45-point spreads. These five were anything but: a 1-vs-2 collision, the greatest upset ever played, a walk-off in double overtime, and a tie that helped decide a national title.

Openers are supposed to be tune-ups — cupcakes, shakeout runs, 45-point spreads. These five were anything but: a 1-vs-2 collision, the greatest upset ever played, a walk-off in double overtime, and a tie that helped decide a national title.

Openers are supposed to be tune-ups — cupcakes, shakeout runs, 45-point spreads. These five were anything but: a 1-vs-2 collision, the greatest upset ever played, a walk-off in double overtime, and a tie that helped decide a national title.