What seed gets upset the most?

What seed gets upset the most?
In 2001, 2012, and 2021, there were nine double-digit seed upsets during First Round play.

12 vs.
13 vs.
14 vs. Twenty-two (22) 14-seeds have defeated 3-seeds (14.86%) in the first round:
15 vs. Ten 15-seeds have defeated 2-seeds (6.76%) in the first round:
16 vs. Before 2018, 16-seeded teams were 0–132 against 1-seeds.

In 2001, 2012, and 2021, there were nine double-digit seed upsets during First Round play.
  • 12 vs.
  • 13 vs.
  • 14 vs. Twenty-two (22) 14-seeds have defeated 3-seeds (14.86%) in the first round:
  • 15 vs. Ten 15-seeds have defeated 2-seeds (6.76%) in the first round:
  • 16 vs. Before 2018, 16-seeded teams were 0–132 against 1-seeds.
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