Teresa Perozzi has come out of retirement to complete some “unfinished business“ in the ring.

The 48-year-old is training for her comeback fight, which is tentatively scheduled to be held early in the new year against an East Coast fighter from the United States at a venue that has yet to be announced.

“I never wanted to be in retirement but because of my knee injury, which happened before the last fight, I had to call it a day,” Perozzi told The Royal Gazette.

“Every time I go to Fight Night Champion, I feel inside of me I have this unfinished business. I can’t be at peace the way I went out but my knee doesn’t like rotating and lateral movement, which is all boxing.”

With the aid of a trainer, Perozzi has regained full mobility of her knee and is now battle ready.

“I have been working with this trainer in the gm who has been rehabing me because of a back problem and the type of work that he is doing I feel stronger than when I was boxing,” she added.

“I said to him that if he could do for my knee what he did for my back and shoulders, I feel like I still have one more fight in me’.”

Perozzi suffered a third-round stoppage loss to Kali Reis in her last fight, an IBA world middleweight title bout at The Fairmont Southampton in 2014.

“I don’t ever want to go back in the ring like I did last time where I didn’t listen to doctors and trainers,” she said. “I was just so bull-headed and I didn’t listen to my body.

“I had to do it, so I have been working with this trainer on my knee and basically it’s getting my confidence back.”

Perozzi, who at her peak in the 2000s Perozzi fought for world titles in Sweden and Germany and has also boxed in The Aladdin at Las Vegas, is doing considerable sparring sessions as she build up her fitness.

“I have been sparring with Jaylon Roberts and we’re up to seven or eight three-minute rounds where before I couldn’t get through one round with my knee or mind,” she added. “It was more my mind really, just to keep it working with me to the point where I had to put my ego out.

“It’s not that I am not who I used to be. I had to get the confidence back because that last fight took a lot out of me. I never wanted to go out like that and that wasn’t me. But I didn’t listen to my body so now I would say the last six weeks of sparring I feel eighty per cent back.

“I haven’t felt my knee. It’s holding up and I’ve taken some blows where I feel Jaylon punched right through my chest, at my chest, and my knee held up where before it would collapse.

“At first I was like, ‘ooh, don’t punch me there’, ‘I’ll punch you, you don’t punch me’, But now I have that feeling where I actually enjoy it and that took about two months. When you get in the ring, nobody really knows. When someone punches you, you’re either going to run or you’re going to fight back and I finally feel like what I had.

“So now it’s just rehabing every day and getting stronger with my rotational power and just looking for the next opportunity.”

Perozzi is confident she can be equal to the task despite of her age.

“I have to accept how old I am. I will be 49 at the end of this year but I feel better than I felt in my prime and I am smarter now,” she said.

“What I am trying not to do is jump back into the fight scene and climb up to No 1, but I want to come back against a respectable opponent. I am not jumping into the ring with someone that I am guaranteed to beat, it won’t feel good to me.

“I need peace and I know many people don’t even remember the last fight, but I do and I don’t want to go out that way. I need one more fight with my unfinished business.”