Fighters do everything they can to stand out from the pack.
Whether it's a highlight-reel finish or a war of attrition, they often exceed expectations to fulfill undiscovered potential.
But in today's sport, when ratings and green paper with faces on it rule the blood and sweat-drenched canvas, making it big can only equate to headlining.
Until a fighter commands that top billing, well, he hasn't made it.
There are obviously some exceptions to this rule, but for the sake of the overwhelming talents who deserve this distinguished honor, here are five fighters who are due for a main event spot.