While the press always thinks they know who the Academy Award winners will be, an underdog or two usually manages to snatch a statuette away from the favorite. Just last year, little-seen indie film "The Hurt Locker" upset James Cameron's blockbuster "Avatar" for Best Film.
In 2002, 29-year-old Adrien Brody upset Oscar perennials Jack Nicholson and Daniel Day-Lewis to win Best Actor. Marisa Tomei's win in 1992 was so unexpected, a rumor spread that presenter Jack Palance announced the wrong name.
Who will be the biggest surprise winner this year? Here are five of the biggest underdogs in their categories. Any one of has the potential to make Oscar upset history on February 28th.