Morgan was inked following a tryout during the team's minicamp this weekend, according to PFT.
The 29-year-old spent last season with the Chicago Bears, catching 10 passes for 70 yards and one touchdown. Morgan started his career with the San Francisco 49ers, who drafted him in the sixth round in 2008.
In 93 career games, Morgan has recorded 209 receptions for 2,558 yards and 12 touchdowns.
In addition to Morgan, the Saints receiving corps also includes Marques Colston, Brandin Cooks, Nick Toon, Jalen Saunders, Brandon Coleman, R.J. Harris, Seantavius Jones, Malcome Kennedy, Joe Morgan, Willie Snead and Andy Tanner.
- Brad Rowland