David Haye will be on hand in George Groves' corner on Saturday night.
And the WBA heavyweight champion is backing his close friend to triumph over James DeGale.
The pair meet in a British and Commonwealth super-middleweight title match up at the 02 Arena, London.
And while DeGale is firm favourite with the bookmakers, Haye believes Groves can cause an upset.
He told the Sunday Star: "I genuinely believe there is more needle between George and DeGale than me and Wladimir.
"These guys have known each other since they were little kids. They have been in the same gym day in, day out, sparred with each other and know each other personally.
"The needle goes really deep. There is so much pride on the line and there is a Eubank-Benn type of intensity. Both of them despise each other.
"I am so excited about it. I will be more nervous than I will be for my night with Klitschko.
"I have sparred with George Groves. I know how tough he is. I know what his will is like. He will fight to the very end. George will beat him with skill.
"DeGale reminds me a little of Audley Harrison. He is from the same part of London, tall, a southpaw, not a big puncher and he talks a lot. I see those similarities but I believe George is the truth.