In sports, fans love to talk about their teams' wins, glorious comebacks and triumphs over adversity.
Speak to a Red Sox fan and they will tell you all about 2004. Just don't ask about 2011.
Yet, epic sports collapses are often excruciatingly painful to watch and remain etched in our collective consciousness for ages, often defining the victim team for years to come.
Here are the most epic collapses in sports history.