Bellator 206 main event breakdown: Gegard Mousasi vs. Rory MacDonald

When Gegard Mousasi and Rory MacDonald walk into the cage for the main event of Bellator 206, they may be entering into the most significant fight in promotional history. For nearly all of the time the organization has existed, it has played a long-distance second fiddle to the UFC. Even as ex-Bellator fighters such as Eddie Alvarez have crossed brands and found success; even as ex-UFC stars such as Benson Henderson and Lorenz Larkin have discovered the impressiveness of Bellator’s depth, the results have mostly been washed out by the UFC’s continued dominance.

But Mousasi and MacDonald are different. Both current champions in their respective divisions - MacDonald as a welterweight, Mousasi…