March Madness

The best basketball tournament of the year has finally come. By far better than the NBA rn. show ur brackets below!

I show u this ratio instead

Site I used won’t let me paste and I’m to lazy to make Imgur but basically it was Arizona beating UCLA in finals, Texas tech and Wisconsin semis

Can someone please explain what March madness is to me? I hear about it a lot. (I know it is basketball related)