It has been seven years since the University of Wisconsin men’s hockey team qualified for the NCAA Tournament, so you’re forgiven if the details of how it works are hazy.

And even while some of the fundamentals are the same as they were in 2014, the COVID-19 pandemic has altered how at-large teams are selected.

With that in mind, here are some things to keep in mind until the bracket is announced at 6 p.m. Sunday on ESPNU: