Think the odds are stacked against you in your March Madness bracket pool this year? You have no idea.

A perfect bracket, chosen randomly, is about the unlikeliest thing that will ever happen. Meaning that the $1 billion Warren Buffett has pledged to anyone who completes a perfect bracket is probably pretty safe.

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The folks at eBay deals put together this crazy infographic detailing just how unlikely a perfect bracket is. Things more likely include: being struck by lightning three times in a single year, being crushed to death by a vending machine and guessing a nine-character password composed of numbers, letters and other characters on the first try.

Yeah, Buffett's pretty safe on this one.