Marquez/Pacquiao is just one of boxing's many rich and fabled rivalries
Saturday night, boxers Manny Pacquio and Juan Manuel Marquez will square off at the MGM Grand in Las Vegas to compete for the WBO Welterweight World title. Their third meeting will mark the end of one of the best boxing trilogies of the last 25 years.
To be one of the greats of all time, they will have to do something truly special. Here are six of the most action-packed trilogies Pacquiao and Marquez have to look up to.
This post also appears on Bleacher Report, an Atlantic partner site.