06/13/2012 08:25 am ET Updated Jun 13, 2012

U.S. Open: Steve Jones, Orville Moody Among Five Biggest Upsets Ever (PHOTOS)

By DOUG FERGUSON, Associated Press

SAN FRANCISCO — One of the most famous upsets in golf took place at The Olympic Club. But that wasn't the only one at the U.S. Open.

And it might not have been the biggest.

The U.S. Open often lives up to its name – open – meaning that everyone should have the chance to win golf's second-oldest championship. Every now and then, an "anybody" does just that. It could be a 20-year-old amateur who puts golf on the front pages, an unheralded club pro from Iowa who takes down one of the giants in the game, or even a 35-year-old from the Army who defies the odds.

Here are five of the biggest upsets in golf:

Biggest Upsets In U.S. Open History