The Seattle Seahawks are No. 1 followed by Arizona, New England, Green Bay and Carolina.
The Saints have Drew Brees, but their defense turns opponents' quarterbacks into Brees. Against the Saints last season, quarterbacks posted a 68.4 completion percentage, 45 pass touchdowns, nine interceptions and 78.6 Total QBR.
The Saints moved up five spots from their post-draft ranking of 27.
NFC South rivals Atlanta Falcons are ranked No. 19 and the Tampa Bay Bucs are ranked No. 23