Iribarren was released by the Reds.
Iribarren signed a minor-league contract with the Reds on Thursday.
Iribarren was reassigned to the Reds' minor-league camp Tuesday.
Iribarren agreed to a minor league contract with the Reds that includes an invitation to spring training, C. Trent Rosecrans of the Cincinnati Enquirer reports.
Iribarren was outrighted to Triple-A Louisville on Friday.
Iribarren was promoted from Triple-A Louisville on Sunday, MLB.com reports.