Boxing has a long history of greed and corruption that marks its past. In recent decades that has changed, as the power brokers of the sport learned that they could manipulate the fighters and fights in a way that wasn't illegal but put the odds in their favor.
While upsets do happen, it made the sport harder to enjoy when fans knew that there was a good chance that one fighter had a less-than-favorable chance of winning.
It has damaged the sport and its credibility, and unfortunately some of those people still exist within the sport today, while some have disappeared into the darker parts of boxing's history.
Here is a recap of those people.