Let's be honest here. Not every UFC main event is worth the $55 price tag associated with a pay per view. Thankfully, a solid co-main event can be enough to turn any borderline card into a must-see PPV.
Former champions trying to get back into title contention commonly find themselves in co-main event contests. Other times, a grudge match between two stars on the cusp of contention will take place in this spot. Depending on how stacked an event is, sometimes the co-main event is a title fight.
Taking a stroll through memory lane, here is a look at the 25 best co-main event fights in UFC history. Some of them are in this list because of their importance in the history of the sport. However, most fights earned their spot in this countdown due to their incredible excitement.