Greer pulled his groin against the Carolina Panthers last weekend. Ellis has a sprained right knee and Moore a left ankle injury.
NFL interception leader Darren Sharper, who sat out Wednesday's practice with left knee soreness, practiced on a limited basis Thursday and Friday and was listed as questionable by the Saints.
Starting center Jonathan Goodwin (ankle) returned to practice Friday and also was listed as questionable.
Linebacker Scott Fujita (left calf) was listed as probable.
Copyright 2009 by The Associated Press