Anonymous coaches make their 2021 March Madness predictions for the Sweet 16

It's been far from a chalky men's NCAA tournament, but there are still some favorites remaining in the March Madness field. Gonzaga and Baylor, the two pre-tourney choices, are still alive, as is a third 1-seed in Michigan.

Will the upsets continue or will the top seeds prevail? I reached out to coaches who have faced the four regional favorites to find out which team in each poses the biggest challenge.