The unexpected is what makes sports, and the Duke-UNC rivalry, great
“Throw out the records.” “Anything can happen on any given night.” There are dozens of over-used idioms that make the same point: at their core, all athletic competitions have an element of chance. The mathematically-inclined would call that a sequence of random events.
The best athletes and teams maximize the likelihood that the things in their control will go as planned. But even then, there are dozens of events completely outside their control inherent in every competition…