I asked him did he think Joshua and Wilder are the two biggest punchers in the division and does he think the fight will go end by knockout.
In an interview with talkSport, Wilder said he will be too strong for Joshua when they eventually meet.
Parker: "Because I'm prepared, I'm going to come ready, I'm going to be in the best shape and I'm sure you'll do the same". It's going to happen, all they got to do is make the fight.
Especially when Nelson brings up the approach taken by Parker and his team in securing the highly-anticipated bout.
Joshua and Wilder could fight on the same card before their lucrative clash in December
Parker, his voice steady and his eyes on Joshua, says: "The fight will be a very exciting fight". Anthony Joshua, Dillian Whyte, Tony Bellew.
"This is different though". And Hearn is not ruling out either taking on the victor of Joshua and Wilder.
"No more excuses, no more waiting, no more dodging me.it's time".
Hearn said Joshua will be heading to America for a fight in the next 12 months.
And Hearn has insisted that a shock union between himself and the former heavyweight champion would help set up the British super-fight.
Parker is now in camp with trainer Kevin Barry at their Las Vegas base, with the pair scheduled to arrive in London two weeks before the fight to be staged in front of a capacity crowd of 80,000 at the Principality Stadium in Cardiff.