You know the world is upside down when a Denzel Washington win at the Academy Awards could be considered an “upset” — but we shall see. While the actor’s performance in August Wilson’s “Fences” is something he nailed years ago on Broadway before he ever set to starring in and directing the film version, it is Casey Affleck in “Manchester by the Sea” who is considered the odds-on favorite to win for Best Actor in Sunday night’s ceremony.

While the announcement of Washington’s name wouldn’t exactly fill the auditorium with audible gasps, there surely have been times over the course of the 89 years of the Academy Awards that audience members have dropped their collective jaws.

Related: Most Political Moments in the History of the Oscars

Ahead of Sunday night’s highly anticipated ceremony, here’s a look at some of the biggest Oscar upsets over the years.

Mark Rylance, “Bridge of Spies,” 2016 
Sylvester Stallone was the favorite to win Best Supporting Actor last year after turning in a shockingly powerful performance as an aging Rocky Balboa in 2015’s “Creed.” Stallone had won a Golden Globe for the role just a month earlier — and was widely expected to take home another win. People were more taken aback by his loss than by Rylance’s victory for “Bridge of Spies.”

A rumor was born out of Stallone’s loss that Sly needed to be consoled after losing the Oscar. He told People afterward: “I was very proud of my nomination, worked hard for it, so why would anybody create insulting lies that only distort wonderful memories. Why do it?”

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Adrien Brody, “The Pianist,” 2003
Most people recall how Brody swept presenter Halle Berry off her feet and gave her a kiss more than they do the actual movie for which he won the Oscar for Best Actor. The win actually made him the youngest actor ever to win the Best Actor award; he was 29 at the time.

Now, he’s in his mid 40s. “I think very few people visualize what the endgame is and achieve it,” he told The Guardian. “Your hopes and aspirations are just that. There’s no guarantee that you deserve anything in this life and there are an infinite amount of gifted people that do not ever receive any opportunity or recognition.”

For what it’s worth, “The Pianist” won a total of three Academy Awards that year (including Best Director) and was nominated for four others as well.

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Roberto Benigni, “Life Is Beautiful,” 1999
It was 18 years ago that this veritable unknown climbed over people to get to the stage when his film nabbed him a Best Actor Oscar — as well as the Best Foreign Picture prize. That night in 1999 was fraught with upsets, including “Shakespeare in Love” winning Best Picture and Benigni repeatedly shouting, “I want to kiss everybody” — as Sophia Loren ushered him off the stage.

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Gwyneth Paltrow, “Shakespeare in Love,” 1999
Yes, 1999 was the year of upsets. Paltrow bested Cate Blanchett — the favorite for “Elizabeth.” Many felt “Shakespeare in Love” was nowhere near Oscar quality. Vogue even dedicated a piece this week to Oscars ’99 — saying, “Remember when the Oscars were weird and wonderful, before stars were hyper-handled by stylists and management ‘teams’?”

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Marisa Tomei, “My Cousin Vinny,” 1993
This one may remain the biggest shocker/upset ever in Oscar history. It was a surprise Tomei was even nominated for Best Actress in 1993, thanks to the Academy’s lack of love for comedy at nomination time. The win was such a surprise, in fact, that it sparked a rumor that the presenter — the late Jack Palance — had read the wrong name.

Tomei, who was 27 when she won the Oscar, would later acknowledge the rumors about her win when she hosted SNL, declaring, “I won the Academy Award fair and square, and I was the happiest I’d been since I was named Ms. Teenage America back in 1987.” For her Oscar win, Tomei beat out four well-respected British actresses: Judy Davis, Joan Plowright, Miranda Richardson and Vanessa Redgrave.

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