#1 Unfinished business
Put very simply. Ronda Rousey has unfinished business in UFC. Her 12-fight unbeaten streak was shockingly snapped by former boxer, Holly Holm, at UFC 193 which saw Rousey surrender her Bantamweight Championship.
Taking a year out of the game to come back stronger than ever, Rousey's return lasted less than a minute as she was unceremoniously pounded by Amanda Nunes, who was the reigning Bantamweight Champion.
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Nunes still holds that belt and with wins over Miesha Tate, Valentina Shevchenko (twice), Raquel Pennington and most recently, Cris Cyborg, to also add the Featherweight Championship to her CV, it is she, not Rousey who will be atop any greatest UFC female fighter list.
For an athlete as competitive as Rousey. That simply will not do. After a break of two years, she would be refreshed and ready, and no doubt confident.
Rousey could become an even greater legend, if she could avenge her past losses to Holm and Nunes and knock off a couple more of today's big names.
Who could bet against her, really?