How often do 2 seeds lose in the second round?

How often do 2 seeds lose in the second round? Bracket Performance History and Advice Second Round: Chances are pretty good (84%) that at least one 2-seed will lose in the Second Round. There’s a 70% chance only 2 or 3 of them will advance to the Sweet 16.

Bracket Performance History and Advice

Second Round: Chances are pretty good (84%) that at least one 2-seed will lose in the Second Round. There’s a 70% chance only 2 or 3 of them will advance to the Sweet 16.