Ranking the UFC 306 storylines: How Sphere, Suga Sean will shape a historic event

At first glance, the UFC’s approach to celebrating Mexican Independence Day this coming weekend seems perplexing.

UFC 306, which takes place Saturday at Sphere in Las Vegas, is headlined by a fight between an Irish-American from Montana and a New Yorker transplanted from the Republic of Georgia. And to add to the quizzically all-over-the-map motif, the event is sponsored by an arm of the government…