Amanda Serrano has done it again…

The 32-year-old Puerto Rican professional boxer, mixed martial artist and professional wrestler, Puerto Rican professional boxer, mixed martial artist and professional wrestler, defeated Daniela Romina Bermudez via knockout in the ninth round on Thursday night.

While many of Serrano’s fights go only a short distance, Bermudez, her opponent for the WBC and WBO featherweight titles, handled Serrano’s opening attack well.

Bermudez often would try to give some response of her own, too, at least until the ninth round, when Serrano still appeared fresh and powerful, leading to the body shot combination that stepped Bermudez back toward the ropes and then down, where she wouldn’t get up, giving Serrano the win 1:33 into Round 9.

“I knew I was going to be able to walk her down,” Serrano said on NBCSN after the fight.

It was the 30th career knockout for Serrano (40-1-1, 30 KO), who defended the WBC and WBO world featherweight titles and added an IBO world featherweight title, too. It was also the most recent knockout of Serrano’s career.

Bermudez (29-4-3, 10 KO) had taken powerful punches by Serrano all night. But the combination of body shots with Serrano’s right and left fist to Bermudez’s body gave her a little bit of pause. Then Bermudez started walking back and fell down.

Serrano continues a massive streak. She hasn’t lost since 2012, when she lost a unanimous decision to Frida Wallberg. Next, she said she’d like to try and become undisputed in her division after winning Thursday’s fight. It was Bermudez’s first loss since April 26, 2014, when she lost a unanimous decision to Yesica Yolanda Bopp.