Andy Ruiz believes he can use lessons learned from his fight with Joseph Parker to beat British heavyweight Anthony Joshua.
Ruiz fights Joshua in New York on Sunday for the WBA, WBO, and IBF titles.
It's Ruiz's second world title fight after he lost a majority points decision to Parker in Auckland in December 2016 when they fought for the WBO title.
He feels he is better prepared for the task after his New Zealand battle, a fight he still maintains he won.
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