Joshua takes on Parker at the Principality Stadium in Cardiff on March 31 with three world titles on the line.
And the British-born Nigerian is confident he will leave the ring with the New Zealander’s WBO strap, along with his own WBA and IBF belts.
Joshua said, “I took my time last time out (against Carlos Takam) because I wanted to set up a good 2018. It’s about making history now, it’s an honour to be up here with another world champion.
“I take everything with a pinch of salt, I don’t know what to make of Parker. I’m looking forward to the challenge, not only from a physical standpoint but also from a mental one.
“People have used me getting dropped by Klitschko as a PR stunt. I’ve been dropped three times but I learned from the adversity and that it will take more than a human to stop me. The other rumours are fake news.”
Parker successfully defended his title against Hughie Fury last year and is looking forward to returning to these shores.
He said, “I’m looking forward to leaving here and heading back to Vegas to start camp. I’ve watched Joshua for a long time, I know his strengths and his weaknesses. I can’t wait for this fight.”
Joshua dismissed a claim by New Zealand’s Parker he is the “king of steroids” ahead of their world heavyweight title unification bout, AFP reports.
Whoever wins at the 74, 500-capacity Principality Stadium, best known for staging Wales rugby union internationals, will be eyeing a bout with World Boxing Council heavyweight champion Deontay Wilder.
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