Joseph Parker's promoter has poured fuel on the fiery rivalry between WBO champion Parker and IBF and WBA title holder Anthony Joshua.
With a heavyweight title unification bout set to be announced in the coming days, Duco boss David Higgins compared Joshua to the English football team saying the British champion will choke at the highest level.
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"We have a hypothesis that Joshua is like the English football team. Built up and hyped up, but never steps up when it gets to the top level," Higgins told Behind the Gloves.
"They will get up to the football world cup finals, but never make the final because they choke.