A fighter’s prime potential doesn’t always match up with his prime of life.

That might be because there’s no magic formula for helping a career take off and maintain ascension. There’s no cookie-cutter launching moments, no how-to manuals for MMA professionals that espouse shoo-in paths to stardom.

Career trajectories are case sensitive.

Something that’s not, however, is the brief period where a man enjoys his physical prime.

Believe me, I know. I’m 30. I’m there, dude. Forget the fact that I haven’t played a competitive sport in 12 years, pull muscles while lifting laundry baskets, and would have my ass handed to me by a ninth-grader in just about any athletic event.

The point is, if I was in serious training for the last 15 years or so, I probably would feel my best right about now, and it might last a few fleeting years.

In MMA, that stint of superiority doesn’t necessarily correspond with the pinnacle of a fighter’s career. For instance, let’s examine Saturday night’s primary combatants, each of whom fall into this ideal age category:

-Quinton Jackson is 30; Wanderlei Silva, 32.

-Frank Mir is 29; Antonio Rodrigo Nogueira, 32.

-Rashad Evans and Forrest Griffin are both 29.

Though they have taken different routes to the sport’s upper echelon, Saturday’s victors – Jackson (29-6), Mir (12-3) and Evans (13-0-1) – seem to be exhibiting their finest form while at the ripest stanza of life. Griffin (16-5), too.

The same cannot be said for Silva (32-9-1) and Nogueira (31-5-1), two MMA luminaries who appear to be on a Favre-like downward swing despite a few recent glimpses of their previous greatness (Silva against Keith Jardine; Nogueira against Tim Silvia).

The major differences between the two groups might be rooted in steady improvement of skills and evolution of style. Then, there's the fact that Silva and Nogueira have been beaten in the head more often than their compatriots in this discussion (with the possible exception of Rampage).

The four men who are thriving can exercise one or more disciplines with excellence, but possess enough of a well-rounded arsenal to hang with any brand of opponent.

Evans and Jackson are among the top boxers in the sport, having poured enormous effort into attaining that status over the last few years. They also possess impressive wrestling credentials and terrific toughness that can carry them through the scrapes.