07/26/2012 10:12 am ET

The 50 Worst Screw-Ups in Sports History

Perfection is a term rarely used when discussing athletic competition. But over the course of history, it's become clear that imperfections are the building blocks that hoist success.

Underneath the brilliant highlight reels and jaw-dropping finishes is a collection of forgettable performances that have simultaneously defined careers and tarnished franchises.

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