Do yourself a favor and watch the video history of both fighters prior to the bout. Iran Barkley was a formidable man. To appreciate what Duran was against—moving up from lightweight through welterweight into the Middleweight ranks, look at the path Barkley carved through the middleweight ranks, most notably his destruction of the man [Hearns] who destroyed Duran years earlier.
Duran's fight against Moore deserves a treatment of its own.
The Punishing Art