Invicta FC featherweight champion Cristiane Justino has a new opponent for her muay Thai fight at Friday's Lion Fight 11 event.

Renowned kickboxing champion Martina Jindrov is injured, and undefeated Jennifer Colomb has stepped in as a replacement and will fight "Cyborg," officials confirmed with MMAjunkie.com.

The event takes place at Third Street at the Stage Fremont Street Experience in Las Vegas, and the main card airs on AXS TV.

"Martina Jindrova had to pull out on short notice due to injury, and fortunately we were able to sign Jennifer Colomb and get her to Las Vegas to take on Cyborg," Lion Fight CEO Scott Kent stated. "We wish Martina well and hope she recovers quickly. We also thank Team Colomb for working with Lion Fight to give our fans this incredible fight Friday night between two female muay Thai champions."

Colomb, who hails from France, is 10-0 with 10 knockouts. Jindrov sported a 17-5 record.

Justino, a former Strikeforce champion who's 12-1 in MMA, won Invicta's inaugural 145-pound title in July when she stopped Marloes Coenen in the fourth round. Although she hopes to get in a title defense before year's end, the Brazilian has stayed busy with jiu-jitsu competitions, and now she's added a muay Thai bout to her to-do list.

"I am disappointed that Martina got injured and had to withdraw, but I have trained very hard and am grateful that Jennifer Colomb has stepped up," Justino stated. "Nothing changes. I am ready and will bring it to Colomb on Friday night."

"Cyborg" has not lost an MMA fight since her pro debut in 2005. Since then, 10 of her 12 wins have been by knockout or TKO. She also won her lone pro kickboxing match by knockout in 2006.

(Pictured: Cristiane Justino)

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Cristiane 'Cyborg' Justino gets new opponent for Friday's Lion Fight 11