Former boxing world champion Laila Ali does not think she will ever have a fight with Ronda Rousey, but the unbeaten boxing superstar said that the reigning UFC women's bantamweight championship is not in her class.

Ali, daughter of boxing legend Muhammad Ali, said in an interview with TMZ Sports that comparing her to Rousey makes no sense because mixed martial arts and boxing are different.

Ali dismissed the idea of being linked to the UFC superstar, who has been mentioned in several hypothetical fights over the past several days, including woman vs man MMA showdowns.

"That's like a question I'm not even gonna answer," Ali said when asked if she will consider facing Rousey. "Because, for one, I'm not a UFC fighter. She's not a boxer."

However, Ali then added that no woman fighter can beat her, not even Rousey, who is considered as one of the biggest MMA superstars in the world today.

"No woman in the world can beat me. Period," said Ali, who retired from professional boxing in 2007.

Ali, who holds a perfect 24-0 professional boxing record, said that facing Rousey will be a mismatch because she is much bigger. Ali is 5-foot-10 and fought at 167 pounds during her boxing career, while Rousey is listed 5-foot-7 and is fighting at 135 pounds in the Octagon.

"Of course not," Ali said when asked if Rousey will have a chance to beat her. "She's too much smaller than me anyways. She's like the size of my daughter, my 3-year-old."

Like Ali, Rousey has yet to taste defeat in her career. The 28-year-old successfully defended her women's bantamweight title against Cat Zingano at UFC 184 last month.

Rousey, who holds an unblemished 11-0 record inside the Octagon, did it in an impressive way as she stopped Zingano with an armbar, which ended the highly anticipated in just 14 seconds.

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