UFC 322 at New York's Madison Square Garden on Saturday features two former champions who've turned in their titles to chase new ones. It's the third such scenario this year, ushering in what feels like the post-double champion era. To understand how the UFC got here, Jeff Wagenheim looks back at the first double champion, and Dre Waters gives a statistical breakdown of two UFC 322 title fights and the trends to keep in mind heading into the weekend.

Conor McGregor had just made history, winning a UFC championship with a spectacular second-round knockout on the most hallowed of combat sports stages. But as he stood under the bright lights at Madison Square Garden on a November night exactly nine years ago, waiting for the "And new ...!" announcement, McGregor did not look joyful or even s

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