In combat sports, there is no fight bigger than UFC 229: Conor McGregor vs. Khabib Nurmagomedov. Their rivalry literally divided Dagestan and Ireland as MMA rivals. The bad blood between the two is so deep that they still take shots at each other to this day. However, manager Ali Abdelaziz feels Kayla Harrison vs. Ronda Rousey could surpass it easily.

Speaking to MMA Junkie, Abdelaziz claims there’s a “nasty” history between them from their judo days, with real hatred beneath the surface. Harrison lost to Rousey twice in judo before both won Olympic medals. A trilogy with added grudge match elements creates intrigue. Ali insists Harrison doesn’t actually like or respect Ronda, regardless of what she says publicly.

He said, “I think Rousey-Kayla is one of the biggest fights in history. It

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