Derek Chisora is confident he will stop former world title challenger Kubrat Pulev.
The 38-year-old is coming off two straight losses against Joseph Parker. Before that, he was beaten via unanimous decision by Oleksandr Usyk.
Chisora's last win came via TKO against fellow Brit David Price in October 2019 on the Josh Taylor vs Regis Prograis undercard.
'War' Chisora's fights have been more entertaining in recent years and he does not intend to retire anytime soon.
'The Cobra' beat Chisora via split decision when they fought the first time around in Germany in 2016.
His last fight was in May when he won over the distance against Jerry Forrest in the United States.
Chisora was initially in talks to face Adam Kownacki, but the latter pulled out before the bout was officially announced.
Pulev was quick to step in for Kownacki. He and Chisora headline a Matchroom Boxing card on DAZN this weekend at the O2 Arena in London.
Felix Cash, Caoimhin Agyarko and Ramla Ali feature on the undercard.
Ahead of fight night, Chisora revealed he is planning to knockout Pulev.
"When they start singing that beautiful song 'Oh Derek Chisora' the game plan goes out the window," Chisora tweeted.
"I will stop Kubrat Pulev at the O2 in front of my home fans. You're going to love it."
Fabio Wardley is also set to box on the Chisora vs Pulev undercard this weekend.
The unbeaten British heavyweight has backed Chisora to stop the Bulgarian in the ninth round.
"I think it plays out a lot more exciting than the first one," Wardley told DAZN.
"They're both in very different stages of their career now.
"Derek has had this monumental resurgence after the last few years, turned into War Chisora and gone crazy.
"Pulev is obviously a mad man as well but he still believes he can grab that world title or put himself in contention. Beating Chisora will keep his name being mentioned.
"They have a lot to fight for, and I think it's going to be a great fight. In terms of a winner, I do think Derek keeps that pressure on him and gets to him late, maybe round nine."