Selection Sunday marks the unofficial start of the men's NCAA Tournament, when bids are given out, seeds are set and matchups are etched into a bracket that will be filled out by millions of people nationally during a beautifully chaotic three-week stretch that will culminate with men’s and women’s national champions being crowned.

The steady, months-long grind of the college basketball season has crescendoed to one of the most memorable moments of the month of March each year: Selection Sunday.  Yes, that's right — bracket day is officially here.