What Are The Top 3 Upsets In Boxing History?

We know Buster Douglas over Mike Tyson is most likely #1, but after Andy Ruiz Jr. surprisingly defeated the champ Anthony Joshua last night, that got us thinking.......

What Are The Top 3 Upsets In Boxing History?

Is this one in the top three?

 

We know this one is at or near the top of the list :

 

This has to be up there too :

 

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