Anthony Joshua believes Joseph Parker will face an “overwhelming” experience in a unification bout which will go down in “history” on Saturday.

WBA and IBF world heavyweight champion Joshua meets WBO title-holder Parker at Cardiff’s Principality Stadium.

It will be Briton Joshua’s fourth stadium bout but, with 80,000 fans expected, represents a new level of interest for New Zealand’s Parker.

“It took me a few times to get used to it,” Joshua told Newsmen .

“It’s an experience he hasn’t faced yet. It is daunting, it is overwhelming.

“You have a fighter that will block out the noise, which takes a whole heap of energy. Then you have a fighter who rides the wave, which can leave you too excited.

“The fight is won or lost in training camp but the last bolt is screwed on during the spell from your changing room to the first bell.”

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