Amateur would go to Roy Jones Jr getting jobbed at the Olympics. In the pro ranks, there are just so many to choose from. Before anything though, I will say that some robberies that people say were robberies were not at all controversial: Chavez-Whitaker, which I scored 6-5-1 in favor of Pernell, shouldn't be considered a "robbery"; De La Hoya-Whitaker, while would be scored in favor of Whitaker after watching it a few times, should have gone to Oscar. He clowned during two crucial rounds which I scored for him, but all he judges scored for Oscar. That was a dumb move by Pernell, though it doesn't diminish the fact that he as clearly the better fighter to most observers.
Jersey Joe Walcott vs. Joe Louis and Lennox Lewis vs. Evander Holyfield rank as two of my biggest heavyweight robberies in a championship fight. I will add Sugar Ray Leonard vs. Tommy Hearns II. I have tried to see how it could have been scored different and I couldn't.
Chavez-Whitaker, Pacquiao-Bradley, De la Hoya-Trinidad, Holyfield-Lewis 1, Tua-Rahman 2 are up there, but it's really all on personal opinion, as most of the time when fights are close, and fans see their fighter lose they like to cry robbery. First there's Pacquiao-Marquez 2 and 3, two close fights that either fighter could have gotten the nod. Marquez fans saw their fighter lose a close fight and cried robbery. De la Hoya-Mayweather- a close fight that Mayweather got the nod in-much more understandably than De la Hoya getting the nod, might I add- and De la Hoya fans saw their fighter lose and cried robbery. Then there are actually robberies, like Chavez-Whitaker, Holyfield-Lewis 1, Pacquiao-Bradley, fights that the true winner was obviously robbed in, which is sad because in time people will forget that the loser actually won.
Richar Abril vs Brandon Rios
Erislandy Lara vs Paul Williams
Just some that come to mind in recent years. Not sure what the most horrible decision was but there have been so many that have ruined boxing
Roy Jones Jr getting robbed in the Olympics the worse ever.
Whitaker vs De la Hoya
Whitaker vs Chavez
Hopkins vs Taylor
Taylor vs Pavlik II
De la Hoya vs Sturm
There's two De la Hoya vs Trinidad and Pac vs Bradley. De la hoya won and Pac won.
Most of the ones in Las vegas
