Updated: Mar 11, 2011, 10:48 AM

First Take's Greatest Upset Bracket!

First Take

Is the biggest upset in sports as impressive as the biggest upsets in pop culture, world history and politics? "First Take" and SportsNation are on the case.

Below are 32 of the biggest upsets to ever happen. From NCAA tournament games to Olympic triumphs and shocking boxing outcomes, sports history is filled with underdogs coming out on top. But did you know one of the biggest upsets in movie history happened at the 1942 Academy Awards when "How Green Was My Valley" won Best Picture honors over "Citizen Kane," widely considered to be the greatest movie ever made?

Cast your votes below on the first-round matchups and watch "First Take" on ESPN2 (weekdays, 10 a.m. ET) to hear the experts weigh in on their favorite upsets.

Which upsets should advance to the second round? Cast your vote!


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