After tasting her first defeat at the hands of Holly Holm last year, the clamor for Ronda Rousey's next fight continues to grow while the former Women's Bantamweight Champion takes a break from UFC.

But while Rousey's camp continues their silence about the 29-year-old MMA fighter's next plan, her former rival Cris "Cyborg" Justino expressed her interest to face her in the UFC arena anytime soon.

The two were supposed to face each other in the arena, but the bout never materialized after Justino failed to reach Rousey's 135-pound weight limit for a Bantamweight fight, and Rousey showed concern over the positive drug test that suspended Cyborg in 2012.

In a lengthy Facebook post, Justino mocked Rousey by saying that she was scared to get out of her comfort zoned.

"When you want to fight someone, you fight them. Suddenly the "best female fighter the world had ever seen" was afraid to move up to 140lbs-- to make a champion vs champion fight. That was a fast and effect lesson in her lack of confidence," Justino wrote.

She also directly challenged Rousey in her post, saying that she should come out to fight her at the UFC 205 in Madison Square Garden that will happen on Nov. 12.

"I hope you come back and get this 'redemption' people think you deserve," Justino said. "I am now in the UFC and you will not be able to use that excuse to avoid a fight with me. Your record is no longer perfect, and we have all seen your flaws, you can not take a shot."

Meanwhile, Rousey has yet to comment about Cyborg's challenge. But the MMA athlete was recently spotted spending a lot of gym time with her boxing trainer Edmond Tarverdyan, PEOPLE stated.

According to Tarverdyan, Rousey's typical training schedule lasts up to six hours a day, six times a week. This is her typical routine whenever she wants to improve her strength and conditioning training as well as her boxing form. But there are no news yet if Rousey is already preparing for her UFC fight with Justino.