John Duddy's scheduled opponent has been forced to withdraw from their bout at the National Stadium later on this month.
The Derryman was due to meet Spanaird Pablo Navascues who has fallen victim to an ongoing ankle injury.
Uruguay's Noe Tulio Gonzalez Alcoba steps in fresh from his WBC middleweight title attempt against Felix Sturm.
The pair will meet on 20 October.
