Ronda Rousey won the Best Fighter award at the 2015 ESPY Awards in Los Angeles, and then called out boxer Floyd Mayweather.
The UFC champion was given the award whilst out on the red carpet during ESPN's pre show, defeating Mayweather despite his historic victory over Manny Pacquiao in May.
After accepting the award, Rousey had this to say to the pound-for-pound boxing champion, according to ESPN.com.
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"I wonder how Floyd feels to be beat by a woman for once. I like to see you pretend to not know who I am now," she said.
Rousey is referring to the interview which Mayweather, when asked if he could beat the UFC champion in a fight, said he didn't know who Rousey was.
Mayweather has as well been in the headlines on numerous occasions over the past couple of years for domestic violence incidents and arrests.
Rousey also took home another award later on in the evening, the Best Female Athlete ESPY, beating the likes of recent Wimbledon champion Serena Williams to the award. She thanked her mother during her acceptance speech.
She said: "I'm living such a lucky and blessed life, and I'm trying my best to deserve it."
Rousey completed the quickest ever finish in a UFC fight when she had a 14-second submission win against Cat Zingano at UFC 184 on February 28. This was her fifth title defense.
The UFC champion currently has a record of 11-0. Her next fight will be against fellow undefeated fighter Bethe Correia in Rio de Janeiro on August 1.
Watch Full Interview
Skip to 2:12 for the Mayweather call out