10. Manny Pacquiao vs. Juan Manuel Marquez III – 1.4 Million PPV Buys
Unfortunately, you rarely see relevant trilogies between two big names in boxing today but with Manny Pacquiao and Juan Manuel Marquez, they even went at it for the fourth time.
The third bout in 2010 was supposed to settle it all after a draw and a Pacquiao split decision victory. Again, Pacquiao won, this time via majority decision that left the audience in anger. Boxing fans started throwing items towards the ring and turns out nothing was settled in the third fight.