Donaldson (shoulder/concussion) has been ruled out for Sunday's game against the Browns, Nick Underhill of NewOrleans.Football reports.
With Donaldson out and Travis Etienne (hamstring) still on injured reserve, the Saints will roll with a three-man backfield of Alvin Kamara, Kendre Miller and Audric Estime. One of the league's least productive backfields doesn't evoke much fantasy excitement.