Selection Sunday will be here before you know it, officially starting March Madness. What to know about NCAA men's and women's tournament schedules.

With a month left in the regular season, the Big Ten is bolstering its NCAA Tournament lineup in a bracketology update for the conference.

According to the NCAA, the odds of a perfect bracket increase, in theory, to about 1 in 120 billion if you apply logic. That includes picking favorites. The closest known attempt was a bracket that remained perfect through the first 49 games in 2019. It was a remarkable bracket, but it was still light years away from perfection.