UFC's Holly Holm on Women's Boxing Vs. MMA

UFC champion Holly Holm tells WSJ's Jason Gay that her victory against Ronda Rousey is "one of the biggest upsets in sports history," and also discusses how boxing compares to mixed martial arts.

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Mayra Bueno Silva stops Holly Holm at UFC Vegas 77, calls out

MMA Rankings: Holly Holm finally topples out of the bantamweight

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Holly Holm, world's top-ranked female boxer, to head to MMA

Ronda Rousey is knocked out by Holly Holm in UFC title fight - Los

Holly Holm can't take down Germaine De Randamie at UFC 208 - Los

Holly Holm: “I want to be the one who does what's never been

Vieira guts out split decision over Holm in UFC main event

Holly Holm dominates Irene Aldana at UFC Fight Night