I think Duran was too economical at this stage of his career and lacked the workrate/intensity needed to beat Wright. Given Duran's struggles with Benitez and Laing, I'd favor Winky over him as well.
Above 147, Duran could still look good against fighters that stood toe-to-toe with him (i.e.: Cuevas, Moore), but he struggled much more with technical boxers than previously in his career.