"Haye brings to the ring, speed, power and the mindset of a winner," Steward told BBC Sport in Hamburg.
"He's confident and that's something Wladimir hasn't experienced since his first fight with Sam Peter [in 2005]."
Steward added: "There's a whole new energy that Haye brings that Wladimir has not had to deal with since then."
"He's confident and that's something Wladimir hasn't experienced since his first fight with Sam Peter [in 2005]."
Steward added: "There's a whole new energy that Haye brings that Wladimir has not had to deal with since then."
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