How often do 1 seeds lost in the second round?

How often do 1 seeds lost in the second round? No. 1 seeds have lost their second round game five times out of 36 (14 perfect) since 2000. Four of the five teams to have defeated No. 1 seeds in the second round were No.

No. 1 seeds have lost their second round game five times out of 36 (14 perfect) since 2000. Four of the five teams to have defeated No. 1 seeds in the second round were No.