Great Rivalries in MMA Mixed Martial Arts (MMA) has grown from a niche combat sport to a global phenomenon over the past few decades. At the heart of this sport are not just the incredible displays of skill and athleticism but also the intense rivalries that have captured the imagination of fans worldwide. Rivalries in MMA go beyond just wins and losses; they involve personality clashes, national pride, contrasting fighting styles, and dramatic storylines that keep audiences on the edge of their seats. Some of the most iconic rivalries in MMA history have defined entire eras and have left a lasting impact on the sport.